28632512 has 28 divisors (see below), whose sum is σ = 58780680. Its totient is φ = 13821696.

The previous prime is 28632509. The next prime is 28632521. The reversal of 28632512 is 21523682.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 5858 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (2099310).

Almost surely, 2^28632512 is an apocalyptic number.

It is an amenable number.

28632512 is an abundant number, since it is smaller than the sum of its proper divisors (30148168).

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

28632512 is a wasteful number, since it uses less digits than its factorization.

28632512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15468 (or 15458 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 28632512 is about 5350.9356191231. The cubic root of 28632512 is about 305.9284153395.

The spelling of 28632512 in words is "twenty-eight million, six hundred thirty-two thousand, five hundred twelve".