28832328 has 64 divisors (see below), whose sum is σ = 91536000. Its totient is φ = 8237376.

The previous prime is 28832303. The next prime is 28832341. The reversal of 28832328 is 82323882.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 28832292 and 28832301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8023 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (1430250).

Almost surely, 2^28832328 is an apocalyptic number.

28832328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28832328 is an abundant number, since it is smaller than the sum of its proper divisors (62703672).

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

28832328 is a wasteful number, since it uses less digits than its factorization.

28832328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19091 (or 19081 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 28832328 is about 5369.5742848014. The cubic root of 28832328 is about 306.6384210490.

The spelling of 28832328 in words is "twenty-eight million, eight hundred thirty-two thousand, three hundred twenty-eight".