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3899441 = 71373587
BaseRepresentation
bin1110111000000000110001
321100010000202
432320000301
51444240231
6215324545
745100430
oct16700061
97303022
103899441
112223787
121380755
13a66b80
14737117
155205cb
hex3b8031

3899441 has 16 divisors (see below), whose sum is σ = 4873344. Its totient is φ = 3037824.

The previous prime is 3899429. The next prime is 3899453. The reversal of 3899441 is 1449983.

It is an interprime number because it is at equal distance from previous prime (3899429) and next prime (3899453).

It is a cyclic number.

It is not a de Polignac number, because 3899441 - 210 = 3898417 is a prime.

It is a super-2 number, since 2×38994412 = 30411280224962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3899395 and 3899404.

It is not an unprimeable number, because it can be changed into a prime (3899411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6350 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (304584).

Almost surely, 23899441 is an apocalyptic number.

It is an amenable number.

3899441 is a deficient number, since it is larger than the sum of its proper divisors (973903).

3899441 is a wasteful number, since it uses less digits than its factorization.

3899441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 31104, while the sum is 38.

The square root of 3899441 is about 1974.7002304147. The cubic root of 3899441 is about 157.3985707905.

The spelling of 3899441 in words is "three million, eight hundred ninety-nine thousand, four hundred forty-one".

Divisors: 1 7 13 73 91 511 587 949 4109 6643 7631 42851 53417 299957 557063 3899441