900862218 has 12 divisors (see below), whose sum is σ = 1951868178. Its totient is φ = 300287400.

The previous prime is 900862189. The next prime is 900862223. The reversal of 900862218 is 812268009.

It can be written as a sum of positive squares in only one way, i.e., 482373369 + 418488849 = 21963^2 + 20457^2 .

It is a Curzon 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, 25023933 + ... + 25023968.

Almost surely, 2^900862218 is an apocalyptic number.

900862218 is an abundant number, since it is smaller than the sum of its proper divisors (1051005960).

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

900862218 is a wasteful number, since it uses less digits than its factorization.

900862218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50047909 (or 50047906 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 900862218 is about 30014.3668598889. The cubic root of 900862218 is about 965.7976055794.

The spelling of 900862218 in words is "nine hundred million, eight hundred sixty-two thousand, two hundred eighteen".