11611928 has 16 divisors (see below), whose sum is σ = 21840000. Its totient is φ = 5787936.

The previous prime is 11611927. The next prime is 11611931. The reversal of 11611928 is 82911611.

It is a self number, because there is not a number n which added to its sum of digits gives 11611928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^11611928 is an apocalyptic number.

It is an amenable number.

11611928 is a deficient number, since it is larger than the sum of its proper divisors (10228072).

11611928 is a wasteful number, since it uses less digits than its factorization.

11611928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514 (or 4510 counting only the distinct ones).

The product of its digits is 864, while the sum is 29.

The square root of 11611928 is about 3407.6279139601. The cubic root of 11611928 is about 226.4478029640.

The spelling of 11611928 in words is "eleven million, six hundred eleven thousand, nine hundred twenty-eight".