11621904 has 40 divisors (see below), whose sum is σ = 34313280. Its totient is φ = 3320448.

The previous prime is 11621873. The next prime is 11621921. The reversal of 11621904 is 40912611.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16959 + ... + 17630.

It is an arithmetic number, because the mean of its divisors is an integer number (857832).

Almost surely, 2^11621904 is an apocalyptic number.

11621904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11621904 is an abundant number, since it is smaller than the sum of its proper divisors (22691376).

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

11621904 is a wasteful number, since it uses less digits than its factorization.

11621904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34607 (or 34601 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 11621904 is about 3409.0913745454. The cubic root of 11621904 is about 226.5126327569.

The spelling of 11621904 in words is "eleven million, six hundred twenty-one thousand, nine hundred four".