10638984 has 16 divisors (see below), whose sum is σ = 26597520. Its totient is φ = 3546320.

The previous prime is 10638977. The next prime is 10638989. The reversal of 10638984 is 48983601.

It is a super-2 number, since 2×10638984² = 226375961104512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10638989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221622 + ... + 221669.

It is an arithmetic number, because the mean of its divisors is an integer number (1662345).

Almost surely, 2^10638984 is an apocalyptic number.

It is an amenable number.

10638984 is an abundant number, since it is smaller than the sum of its proper divisors (15958536).

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

10638984 is a wasteful number, since it uses less digits than its factorization.

10638984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443300 (or 443296 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 10638984 is about 3261.7455449498. The cubic root of 10638984 is about 219.9378888023.

The spelling of 10638984 in words is "ten million, six hundred thirty-eight thousand, nine hundred eighty-four".