28833768 has 48 divisors (see below), whose sum is σ = 82688580. Its totient is φ = 9045504.

The previous prime is 28833757. The next prime is 28833769. The reversal of 28833768 is 86733882.

It can be written as a sum of positive squares in 2 ways, for example, as 27436644 + 1397124 = 5238^2 + 1182^2 .

It is not an unprimeable number, because it can be changed into a prime (28833769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10555 + ... + 13002.

Almost surely, 2^28833768 is an apocalyptic number.

It is an amenable number.

28833768 is an abundant number, since it is smaller than the sum of its proper divisors (53854812).

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

28833768 is a wasteful number, since it uses less digits than its factorization.

28833768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23586 (or 23579 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 28833768 is about 5369.7083719696. The cubic root of 28833768 is about 306.6435258741.

The spelling of 28833768 in words is "twenty-eight million, eight hundred thirty-three thousand, seven hundred sixty-eight".