10921604 has 12 divisors (see below), whose sum is σ = 19473804. Its totient is φ = 5357664.

The previous prime is 10921591. The next prime is 10921609. The reversal of 10921604 is 40612901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9486400 + 1435204 = 3080^2 + 1198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10921604.

It is not an unprimeable number, because it can be changed into a prime (10921609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25547 + ... + 25970.

It is an arithmetic number, because the mean of its divisors is an integer number (1622817).

Almost surely, 2^10921604 is an apocalyptic number.

It is an amenable number.

10921604 is a deficient number, since it is larger than the sum of its proper divisors (8552200).

10921604 is a wasteful number, since it uses less digits than its factorization.

10921604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51574 (or 51572 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10921604 is about 3304.7850157007. The cubic root of 10921604 is about 221.8684121300.

The spelling of 10921604 in words is "ten million, nine hundred twenty-one thousand, six hundred four".