900812686 has 12 divisors (see below), whose sum is σ = 1426079952. Its totient is φ = 426700404.

The previous prime is 900812683. The next prime is 900812707. The reversal of 900812686 is 686218009.

It is a super-2 number, since 2×900812686² = 1622926990517069192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900812683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 623110 + ... + 624553.

It is an arithmetic number, because the mean of its divisors is an integer number (118839996).

Almost surely, 2^900812686 is an apocalyptic number.

900812686 is a deficient number, since it is larger than the sum of its proper divisors (525267266).

900812686 is a wasteful number, since it uses less digits than its factorization.

900812686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247703 (or 1247684 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 900812686 is about 30013.5417103680. The cubic root of 900812686 is about 965.7799044767.

The spelling of 900812686 in words is "nine hundred million, eight hundred twelve thousand, six hundred eighty-six".