28995312 has 20 divisors (see below), whose sum is σ = 74904680. Its totient is φ = 9665088.

The previous prime is 28995301. The next prime is 28995361. The reversal of 28995312 is 21359982.

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, 301987 + ... + 302082.

It is an arithmetic number, because the mean of its divisors is an integer number (3745234).

Almost surely, 2^28995312 is an apocalyptic number.

It is an amenable number.

28995312 is an abundant number, since it is smaller than the sum of its proper divisors (45909368).

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

28995312 is a wasteful number, since it uses less digits than its factorization.

28995312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604080 (or 604074 counting only the distinct ones).

The product of its digits is 38880, while the sum is 39.

The square root of 28995312 is about 5384.7295196695. The cubic root of 28995312 is about 307.2151264796.

The spelling of 28995312 in words is "twenty-eight million, nine hundred ninety-five thousand, three hundred twelve".