10409656 has 16 divisors (see below), whose sum is σ = 19810440. Its totient is φ = 5126880.

The previous prime is 10409647. The next prime is 10409681. The reversal of 10409656 is 65690401.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9175 + ... + 10246.

Almost surely, 2^10409656 is an apocalyptic number.

It is an amenable number.

10409656 is a deficient number, since it is larger than the sum of its proper divisors (9400784).

10409656 is a wasteful number, since it uses less digits than its factorization.

10409656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19494 (or 19490 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 10409656 is about 3226.3998512274. The cubic root of 10409656 is about 218.3461101368.

The spelling of 10409656 in words is "ten million, four hundred nine thousand, six hundred fifty-six".