28973592 has 64 divisors (see below), whose sum is σ = 83097600. Its totient is φ = 9344160.

The previous prime is 28973587. The next prime is 28973603. The reversal of 28973592 is 29537982.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4533 + ... + 8859.

It is an arithmetic number, because the mean of its divisors is an integer number (1298400).

Almost surely, 2^28973592 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 28973592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41548800).

28973592 is an abundant number, since it is smaller than the sum of its proper divisors (54124008).

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

28973592 is a wasteful number, since it uses less digits than its factorization.

28973592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4373 (or 4363 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 28973592 is about 5382.7123274424. The cubic root of 28973592 is about 307.1383970714.

The spelling of 28973592 in words is "twenty-eight million, nine hundred seventy-three thousand, five hundred ninety-two".