631008994 has 32 divisors (see below), whose sum is σ = 1194310656. Its totient is φ = 242880720.

The previous prime is 631008977. The next prime is 631009013. The reversal of 631008994 is 499800136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11902 + ... + 37465.

It is an arithmetic number, because the mean of its divisors is an integer number (37322208).

Almost surely, 2^631008994 is an apocalyptic number.

631008994 is a deficient number, since it is larger than the sum of its proper divisors (563301662).

631008994 is a wasteful number, since it uses less digits than its factorization.

631008994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49470.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 631008994 is about 25119.8923962664. The cubic root of 631008994 is about 857.7193013206.

The spelling of 631008994 in words is "six hundred thirty-one million, eight thousand, nine hundred ninety-four".