28833372 has 36 divisors (see below), whose sum is σ = 74439456. Its totient is φ = 9406080.

The previous prime is 28833367. The next prime is 28833401. The reversal of 28833372 is 27333882.

28833372 is a `hidden beast` number, since 288 + 3 + 3 + 372 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6829 + ... + 10212.

Almost surely, 2^28833372 is an apocalyptic number.

It is an amenable number.

28833372 is an abundant number, since it is smaller than the sum of its proper divisors (45606084).

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

28833372 is a wasteful number, since it uses less digits than its factorization.

28833372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17098 (or 17093 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 28833372 is about 5369.6714983321. The cubic root of 28833372 is about 306.6421220641.

The spelling of 28833372 in words is "twenty-eight million, eight hundred thirty-three thousand, three hundred seventy-two".