10642864 has 10 divisors (see below), whose sum is σ = 20620580. Its totient is φ = 5321424.

The previous prime is 10642861. The next prime is 10642927. The reversal of 10642864 is 46824601.

It is a super-2 number, since 2×10642864² = 226541108244992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10642861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332574 + ... + 332605.

It is an arithmetic number, because the mean of its divisors is an integer number (2062058).

Almost surely, 2^10642864 is an apocalyptic number.

It is an amenable number.

10642864 is a deficient number, since it is larger than the sum of its proper divisors (9977716).

10642864 is an equidigital number, since it uses as much as digits as its factorization.

10642864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665187 (or 665181 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 10642864 is about 3262.3402642888. The cubic root of 10642864 is about 219.9646224105.

The spelling of 10642864 in words is "ten million, six hundred forty-two thousand, eight hundred sixty-four".