10640886 has 16 divisors (see below), whose sum is σ = 21643200. Its totient is φ = 3486728.

The previous prime is 10640857. The next prime is 10640887. The reversal of 10640886 is 68804601.

It is a super-2 number, since 2×10640886² = 226456909729992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10640887) 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, 14676 + ... + 15383.

It is an arithmetic number, because the mean of its divisors is an integer number (1352700).

Almost surely, 2^10640886 is an apocalyptic number.

10640886 is an abundant number, since it is smaller than the sum of its proper divisors (11002314).

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

10640886 is a wasteful number, since it uses less digits than its factorization.

10640886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30123.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 10640886 is about 3262.0370935966. The cubic root of 10640886 is about 219.9509945944.

The spelling of 10640886 in words is "ten million, six hundred forty thousand, eight hundred eighty-six".