28233832 has 16 divisors (see below), whose sum is σ = 57751200. Its totient is φ = 12833520.

The previous prime is 28233823. The next prime is 28233847. The reversal of 28233832 is 23833282.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28233794 and 28233803.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160332 + ... + 160507.

It is an arithmetic number, because the mean of its divisors is an integer number (3609450).

Almost surely, 2^28233832 is an apocalyptic number.

28233832 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28233832 is an abundant number, since it is smaller than the sum of its proper divisors (29517368).

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

28233832 is a wasteful number, since it uses less digits than its factorization.

28233832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320856 (or 320852 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 28233832 is about 5313.5517311870. The cubic root of 28233832 is about 304.5018545818.

The spelling of 28233832 in words is "twenty-eight million, two hundred thirty-three thousand, eight hundred thirty-two".