200631738 has 16 divisors (see below), whose sum is σ = 401480640. Its totient is φ = 66841056.

The previous prime is 200631727. The next prime is 200631757. The reversal of 200631738 is 837136002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4531 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (25092540).

Almost surely, 2^200631738 is an apocalyptic number.

200631738 is an abundant number, since it is smaller than the sum of its proper divisors (200848902).

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

200631738 is a wasteful number, since it uses less digits than its factorization.

200631738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18101.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 200631738 is about 14164.4533251375. The cubic root of 200631738 is about 585.4186381756.

The spelling of 200631738 in words is "two hundred million, six hundred thirty-one thousand, seven hundred thirty-eight".