285979104 has 36 divisors (see below), whose sum is σ = 813253896. Its totient is φ = 95326272.

The previous prime is 285979097. The next prime is 285979129. The reversal of 285979104 is 401979582.

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

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 285979104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 496204 + ... + 496779.

It is an arithmetic number, because the mean of its divisors is an integer number (22590386).

Almost surely, 2^285979104 is an apocalyptic number.

285979104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

285979104 is an abundant number, since it is smaller than the sum of its proper divisors (527274792).

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

285979104 is a wasteful number, since it uses less digits than its factorization.

285979104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992999 (or 992988 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 285979104 is about 16910.9167108114. The cubic root of 285979104 is about 658.8371811447.

The spelling of 285979104 in words is "two hundred eighty-five million, nine hundred seventy-nine thousand, one hundred four".