10388864 has 16 divisors (see below), whose sum is σ = 20696820. Its totient is φ = 5194368.

The previous prime is 10388863. The next prime is 10388869. The reversal of 10388864 is 46888301.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10388863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40454 + ... + 40709.

Almost surely, 2^10388864 is an apocalyptic number.

It is an amenable number.

10388864 is a deficient number, since it is larger than the sum of its proper divisors (10307956).

10388864 is an frugal number, since it uses more digits than its factorization.

10388864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81177 (or 81165 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 10388864 is about 3223.1760733786. The cubic root of 10388864 is about 218.2006401271.

The spelling of 10388864 in words is "ten million, three hundred eighty-eight thousand, eight hundred sixty-four".