28832688 has 30 divisors (see below), whose sum is σ = 80691884. Its totient is φ = 9610848.

The previous prime is 28832681. The next prime is 28832711. The reversal of 28832688 is 88623882.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (28832681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99970 + ... + 100257.

Almost surely, 2^28832688 is an apocalyptic number.

It is an amenable number.

28832688 is an abundant number, since it is smaller than the sum of its proper divisors (51859196).

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

28832688 is a wasteful number, since it uses less digits than its factorization.

28832688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200241 (or 200232 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 28832688 is about 5369.6078069073. The cubic root of 28832688 is about 306.6396972712.

The spelling of 28832688 in words is "twenty-eight million, eight hundred thirty-two thousand, six hundred eighty-eight".