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3874864 = 247291193
BaseRepresentation
bin1110110010000000110000
321021212022111
432302000300
51442443424
6215015104
744635660
oct16620060
97255274
103874864
112207274
12136a494
13a58926
1472c1a0
15518194
hex3b2030

3874864 has 40 divisors (see below), whose sum is σ = 8883360. Its totient is φ = 1602048.

The previous prime is 3874853. The next prime is 3874867. The reversal of 3874864 is 4684783.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652 + ... + 3844.

It is an arithmetic number, because the mean of its divisors is an integer number (222084).

Almost surely, 23874864 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 3874864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4441680).

3874864 is an abundant number, since it is smaller than the sum of its proper divisors (5008496).

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

3874864 is a wasteful number, since it uses less digits than its factorization.

3874864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1231 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 3874864 is about 1968.4674241653. The cubic root of 3874864 is about 157.0671950593.

The spelling of 3874864 in words is "three million, eight hundred seventy-four thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 203 232 406 464 812 1193 1624 2386 3248 4772 8351 9544 16702 19088 33404 34597 66808 69194 133616 138388 242179 276776 484358 553552 968716 1937432 3874864