285928832 has 32 divisors (see below), whose sum is σ = 651000720. Its totient is φ = 122540544.

The previous prime is 285928829. The next prime is 285928837. The reversal of 285928832 is 238829582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285928837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158663 + ... + 160454.

Almost surely, 2^285928832 is an apocalyptic number.

It is an amenable number.

285928832 is an abundant number, since it is smaller than the sum of its proper divisors (365071888).

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

285928832 is an equidigital number, since it uses as much as digits as its factorization.

285928832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319138 (or 319126 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The square root of 285928832 is about 16909.4302683443. The cubic root of 285928832 is about 658.7985734244.

The spelling of 285928832 in words is "two hundred eighty-five million, nine hundred twenty-eight thousand, eight hundred thirty-two".