28965312 has 42 divisors (see below), whose sum is σ = 83025488. Its totient is φ = 9654912.

The previous prime is 28965281. The next prime is 28965323. The reversal of 28965312 is 21356982.

28965312 is a `hidden beast` number, since 289 + 65 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24568 + ... + 25719.

Almost surely, 2^28965312 is an apocalyptic number.

It is an amenable number.

28965312 is an abundant number, since it is smaller than the sum of its proper divisors (54060176).

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

28965312 is a wasteful number, since it uses less digits than its factorization.

28965312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50305 (or 50292 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 28965312 is about 5381.9431435124. The cubic root of 28965312 is about 307.1091365386.

The spelling of 28965312 in words is "twenty-eight million, nine hundred sixty-five thousand, three hundred twelve".