10638172 has 12 divisors (see below), whose sum is σ = 18932760. Its totient is φ = 5228816.

The previous prime is 10638161. The next prime is 10638223. The reversal of 10638172 is 27183601.

It is a super-2 number, since 2×10638172² = 226341407003168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10638172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22303 + ... + 22774.

It is an arithmetic number, because the mean of its divisors is an integer number (1577730).

Almost surely, 2^10638172 is an apocalyptic number.

It is an amenable number.

10638172 is a deficient number, since it is larger than the sum of its proper divisors (8294588).

10638172 is a wasteful number, since it uses less digits than its factorization.

10638172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45140 (or 45138 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 10638172 is about 3261.6210693457. The cubic root of 10638172 is about 219.9322932144.

The spelling of 10638172 in words is "ten million, six hundred thirty-eight thousand, one hundred seventy-two".