285830972 has 12 divisors (see below), whose sum is σ = 571662000. Its totient is φ = 122498976.

The previous prime is 285830971. The next prime is 285830981. The reversal of 285830972 is 279038582.

285830972 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285830971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5104097 + ... + 5104152.

It is an arithmetic number, because the mean of its divisors is an integer number (47638500).

Almost surely, 2^285830972 is an apocalyptic number.

It is an amenable number.

285830972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

285830972 is a wasteful number, since it uses less digits than its factorization.

285830972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208260 (or 10208258 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 285830972 is about 16906.5363691088. The cubic root of 285830972 is about 658.7234062528.

The spelling of 285830972 in words is "two hundred eighty-five million, eight hundred thirty thousand, nine hundred seventy-two".