10649904 has 20 divisors (see below), whose sum is σ = 27512376. Its totient is φ = 3549952.

The previous prime is 10649893. The next prime is 10649909. The reversal of 10649904 is 40994601.

It is a super-2 number, since 2×10649904² = 226840910418432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10649909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110889 + ... + 110984.

Almost surely, 2^10649904 is an apocalyptic number.

It is an amenable number.

10649904 is an abundant number, since it is smaller than the sum of its proper divisors (16862472).

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

10649904 is a wasteful number, since it uses less digits than its factorization.

10649904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221884 (or 221878 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 10649904 is about 3263.4190659491. The cubic root of 10649904 is about 220.0131121661.

The spelling of 10649904 in words is "ten million, six hundred forty-nine thousand, nine hundred four".