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3894984 = 2332471151
BaseRepresentation
bin1110110110111011001000
321022212220200
432312323020
51444114414
6215252200
745051432
oct16667310
97285820
103894984
1122203a5
12137a060
13a64b32
14735652
1551e109
hex3b6ec8

3894984 has 48 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 1269600.

The previous prime is 3894977. The next prime is 3894991. The reversal of 3894984 is 4894983.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3894977) and next prime (3894991).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2809 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (224640).

Almost surely, 23894984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3894984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391360).

3894984 is an abundant number, since it is smaller than the sum of its proper divisors (6887736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3894984 is a wasteful number, since it uses less digits than its factorization.

3894984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1203 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 3894984 is about 1973.5713820382. The cubic root of 3894984 is about 157.3385798946.

Subtracting 3894984 from its reverse (4894983), we obtain a palindrome (999999).

The spelling of 3894984 in words is "three million, eight hundred ninety-four thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 47 72 94 141 188 282 376 423 564 846 1128 1151 1692 2302 3384 3453 4604 6906 9208 10359 13812 20718 27624 41436 54097 82872 108194 162291 216388 324582 432776 486873 649164 973746 1298328 1947492 3894984