28702632 has 48 divisors (see below), whose sum is σ = 83475360. Its totient is φ = 8200416.

The previous prime is 28702607. The next prime is 28702649. The reversal of 28702632 is 23620782.

It is a self number, because there is not a number n which added to its sum of digits gives 28702632.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11028 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (1739070).

Almost surely, 2^28702632 is an apocalyptic number.

It is an amenable number.

28702632 is an abundant number, since it is smaller than the sum of its proper divisors (54772728).

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

28702632 is a wasteful number, since it uses less digits than its factorization.

28702632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24430 (or 24419 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 28702632 is about 5357.4837377261. The cubic root of 28702632 is about 306.1779476752.

The spelling of 28702632 in words is "twenty-eight million, seven hundred two thousand, six hundred thirty-two".