28875932 has 6 divisors (see below), whose sum is σ = 50532888. Its totient is φ = 14437964.

The previous prime is 28875929. The next prime is 28875941. The reversal of 28875932 is 23957882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3609488 + ... + 3609495.

It is an arithmetic number, because the mean of its divisors is an integer number (8422148).

Almost surely, 2^28875932 is an apocalyptic number.

It is an amenable number.

28875932 is a deficient number, since it is larger than the sum of its proper divisors (21656956).

28875932 is a wasteful number, since it uses less digits than its factorization.

28875932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218987 (or 7218985 counting only the distinct ones).

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

The square root of 28875932 is about 5373.6330354798. The cubic root of 28875932 is about 306.7929227029.

The spelling of 28875932 in words is "twenty-eight million, eight hundred seventy-five thousand, nine hundred thirty-two".