10438665 has 32 divisors (see below), whose sum is σ = 17694720. Its totient is φ = 5244096.

The previous prime is 10438639. The next prime is 10438679. The reversal of 10438665 is 56683401.

It is not a de Polignac number, because 10438665 - 2¹¹ = 10436617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27064 + ... + 27446.

It is an arithmetic number, because the mean of its divisors is an integer number (552960).

Almost surely, 2^10438665 is an apocalyptic number.

10438665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10438665 is a deficient number, since it is larger than the sum of its proper divisors (7256055).

10438665 is a wasteful number, since it uses less digits than its factorization.

10438665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 10438665 is about 3230.8922916123. The cubic root of 10438665 is about 218.5487466012.

The spelling of 10438665 in words is "ten million, four hundred thirty-eight thousand, six hundred sixty-five".