285027172 has 6 divisors (see below), whose sum is σ = 498797558. Its totient is φ = 142513584.

The previous prime is 285027161. The next prime is 285027209. The reversal of 285027172 is 271720582.

It can be written as a sum of positive squares in only one way, i.e., 241678116 + 43349056 = 15546^2 + 6584^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35628393 + ... + 35628400.

Almost surely, 2^285027172 is an apocalyptic number.

It is an amenable number.

285027172 is a deficient number, since it is larger than the sum of its proper divisors (213770386).

285027172 is a wasteful number, since it uses less digits than its factorization.

285027172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71256797 (or 71256795 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 285027172 is about 16882.7477621387. The cubic root of 285027172 is about 658.1053498599.

The spelling of 285027172 in words is "two hundred eighty-five million, twenty-seven thousand, one hundred seventy-two".