900364631 has 4 divisors (see below), whose sum is σ = 900528264. Its totient is φ = 900201000.

The previous prime is 900364627. The next prime is 900364649. The reversal of 900364631 is 136463009.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 900364631 - 2² = 900364627 is a prime.

It is a super-2 number, since 2×900364631² = 1621312937511532322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900364691) 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, 73265 + ... + 84666.

It is an arithmetic number, because the mean of its divisors is an integer number (225132066).

Almost surely, 2^900364631 is an apocalyptic number.

900364631 is a deficient number, since it is larger than the sum of its proper divisors (163633).

900364631 is a wasteful number, since it uses less digits than its factorization.

900364631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163632.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 900364631 is about 30006.0765679220. The cubic root of 900364631 is about 965.6197549119.

The spelling of 900364631 in words is "nine hundred million, three hundred sixty-four thousand, six hundred thirty-one".