28975832 has 16 divisors (see below), whose sum is σ = 54475200. Its totient is φ = 14449120.

The previous prime is 28975823. The next prime is 28975841. The reversal of 28975832 is 23857982.

It is an interprime number because it is at equal distance from previous prime (28975823) and next prime (28975841).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (3404700).

Almost surely, 2^28975832 is an apocalyptic number.

It is an amenable number.

28975832 is a deficient number, since it is larger than the sum of its proper divisors (25499368).

28975832 is a wasteful number, since it uses less digits than its factorization.

28975832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706 (or 9702 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 28975832 is about 5382.9203969593. The cubic root of 28975832 is about 307.1463120063.

The spelling of 28975832 in words is "twenty-eight million, nine hundred seventy-five thousand, eight hundred thirty-two".