28332976 has 60 divisors (see below), whose sum is σ = 64884240. Its totient is φ = 11948160.

The previous prime is 28332973. The next prime is 28332989. The reversal of 28332976 is 67923382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28332973) 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 11 ways as a sum of consecutive naturals, for example, 55410 + ... + 55918.

It is an arithmetic number, because the mean of its divisors is an integer number (1081404).

Almost surely, 2^28332976 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 28332976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32442120).

28332976 is an abundant number, since it is smaller than the sum of its proper divisors (36551264).

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

28332976 is a wasteful number, since it uses less digits than its factorization.

28332976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602 (or 589 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 28332976 is about 5322.8729084959. The cubic root of 28332976 is about 304.8578608497.

The spelling of 28332976 in words is "twenty-eight million, three hundred thirty-two thousand, nine hundred seventy-six".