32113928 has 64 divisors (see below), whose sum is σ = 77155200. Its totient is φ = 12165120.

The previous prime is 32113927. The next prime is 32113937. The reversal of 32113928 is 82931123.

It is a self number, because there is not a number n which added to its sum of digits gives 32113928.

It is not an unprimeable number, because it can be changed into a prime (32113927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22088 + ... + 23496.

It is an arithmetic number, because the mean of its divisors is an integer number (1205550).

Almost surely, 2^32113928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32113928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38577600).

32113928 is an abundant number, since it is smaller than the sum of its proper divisors (45041272).

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

32113928 is a wasteful number, since it uses less digits than its factorization.

32113928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1466 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 32113928 is about 5666.9152102356. The cubic root of 32113928 is about 317.8565337842.

The spelling of 32113928 in words is "thirty-two million, one hundred thirteen thousand, nine hundred twenty-eight".