10640634 has 8 divisors (see below), whose sum is σ = 21281280. Its totient is φ = 3546876.

The previous prime is 10640633. The next prime is 10640639. The reversal of 10640634 is 43604601.

It is a sphenic number, since it is the product of 3 distinct primes.

10640634 is an admirable number.

It is a super-2 number, since 2×10640634² = 226446183843912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10640633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886714 + ... + 886725.

It is an arithmetic number, because the mean of its divisors is an integer number (2660160).

Almost surely, 2^10640634 is an apocalyptic number.

10640634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

10640634 is a wasteful number, since it uses less digits than its factorization.

10640634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773444.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 10640634 is about 3261.9984671977. The cubic root of 10640634 is about 219.9492582701.

The spelling of 10640634 in words is "ten million, six hundred forty thousand, six hundred thirty-four".