10640946 has 16 divisors (see below), whose sum is σ = 22533984. Its totient is φ = 3338304.

The previous prime is 10640939. The next prime is 10640947. The reversal of 10640946 is 64904601.

It is a super-2 number, since 2×10640946² = 226459463549832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10640947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52060 + ... + 52263.

It is an arithmetic number, because the mean of its divisors is an integer number (1408374).

Almost surely, 2^10640946 is an apocalyptic number.

10640946 is an abundant number, since it is smaller than the sum of its proper divisors (11893038).

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

10640946 is a wasteful number, since it uses less digits than its factorization.

10640946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104345.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 10640946 is about 3262.0462902908. The cubic root of 10640946 is about 219.9514080009.

The spelling of 10640946 in words is "ten million, six hundred forty thousand, nine hundred forty-six".