28634632 has 32 divisors (see below), whose sum is σ = 60338880. Its totient is φ = 12640320.

The previous prime is 28634621. The next prime is 28634659. The reversal of 28634632 is 23643682.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 3594 + ... + 8377.

It is an arithmetic number, because the mean of its divisors is an integer number (1885590).

Almost surely, 2^28634632 is an apocalyptic number.

It is an amenable number.

28634632 is an abundant number, since it is smaller than the sum of its proper divisors (31704248).

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

28634632 is a wasteful number, since it uses less digits than its factorization.

28634632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013 (or 12009 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 28634632 is about 5351.1337116540. The cubic root of 28634632 is about 305.9359656403.

The spelling of 28634632 in words is "twenty-eight million, six hundred thirty-four thousand, six hundred thirty-two".