28675512 has 32 divisors (see below), whose sum is σ = 79654800. Its totient is φ = 9558432.

The previous prime is 28675487. The next prime is 28675553. The reversal of 28675512 is 21557682.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 66163 + ... + 66594.

Almost surely, 2^28675512 is an apocalyptic number.

It is an amenable number.

28675512 is an abundant number, since it is smaller than the sum of its proper divisors (50979288).

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

28675512 is a wasteful number, since it uses less digits than its factorization.

28675512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132772 (or 132762 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 28675512 is about 5354.9521006261. The cubic root of 28675512 is about 306.0814854118.

The spelling of 28675512 in words is "twenty-eight million, six hundred seventy-five thousand, five hundred twelve".