10557638 has 24 divisors (see below), whose sum is σ = 19841472. Its totient is φ = 4176144.

The previous prime is 10557619. The next prime is 10557641. The reversal of 10557638 is 83675501.

It is a super-2 number, since 2×10557638² = 222927440278088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10557598 and 10557607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2870 + ... + 5417.

It is an arithmetic number, because the mean of its divisors is an integer number (826728).

Almost surely, 2^10557638 is an apocalyptic number.

10557638 is a deficient number, since it is larger than the sum of its proper divisors (9283834).

10557638 is a wasteful number, since it uses less digits than its factorization.

10557638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8309 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 10557638 is about 3249.2519139026. The cubic root of 10557638 is about 219.3759034116.

The spelling of 10557638 in words is "ten million, five hundred fifty-seven thousand, six hundred thirty-eight".