28763312 has 40 divisors (see below), whose sum is σ = 57491856. Its totient is φ = 13934336.

The previous prime is 28763299. The next prime is 28763323. The reversal of 28763312 is 21336782.

It is a happy number.

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 in 7 ways as a sum of consecutive naturals, for example, 90578 + ... + 90894.

Almost surely, 2^28763312 is an apocalyptic number.

It is an amenable number.

28763312 is a deficient number, since it is larger than the sum of its proper divisors (28728544).

28763312 is a wasteful number, since it uses less digits than its factorization.

28763312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 479 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 28763312 is about 5363.1438541214. The cubic root of 28763312 is about 306.3935585727.

The spelling of 28763312 in words is "twenty-eight million, seven hundred sixty-three thousand, three hundred twelve".