10638355 has 32 divisors (see below), whose sum is σ = 15934464. Its totient is φ = 6638976.

The previous prime is 10638337. The next prime is 10638367. The reversal of 10638355 is 55383601.

It is a cyclic number.

It is not a de Polignac number, because 10638355 - 2⁵ = 10638323 is a prime.

It is a super-2 number, since 2×10638355² = 226349194212050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46752 + ... + 46978.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^10638355 is an apocalyptic number.

10638355 is a deficient number, since it is larger than the sum of its proper divisors (5296109).

10638355 is a wasteful number, since it uses less digits than its factorization.

10638355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 10638355 is about 3261.6491227598. The cubic root of 10638355 is about 219.9335543139.

The spelling of 10638355 in words is "ten million, six hundred thirty-eight thousand, three hundred fifty-five".