10644856 has 32 divisors (see below), whose sum is σ = 21870000. Its totient is φ = 4834816.

The previous prime is 10644853. The next prime is 10644857. The reversal of 10644856 is 65844601.

10644856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10644856² = 226625918521472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10644853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2595 + ... + 5293.

Almost surely, 2^10644856 is an apocalyptic number.

It is an amenable number.

10644856 is an abundant number, since it is smaller than the sum of its proper divisors (11225144).

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

10644856 is a wasteful number, since it uses less digits than its factorization.

10644856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 10644856 is about 3262.6455523087. The cubic root of 10644856 is about 219.9783449760.

The spelling of 10644856 in words is "ten million, six hundred forty-four thousand, eight hundred fifty-six".