631818496 has 27 divisors (see below), whose sum is σ = 1261972243. Its totient is φ = 315708160.

The previous prime is 631818469. The next prime is 631818511. The reversal of 631818496 is 694818136.

The square root of 631818496 is 25136.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×631818496² = 798389223775404032, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 401391 + ... + 402961.

Almost surely, 2^631818496 is an apocalyptic number.

631818496 is the 25136-th square number.

It is an amenable number.

631818496 is a deficient number, since it is larger than the sum of its proper divisors (630153747).

631818496 is an frugal number, since it uses more digits than its factorization.

631818496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158 (or 1573 counting only the distinct ones).

The product of its digits is 248832, while the sum is 46.

The cubic root of 631818496 is about 858.0859251449.

The spelling of 631818496 in words is "six hundred thirty-one million, eight hundred eighteen thousand, four hundred ninety-six".