631874396 has 6 divisors (see below), whose sum is σ = 1105780200. Its totient is φ = 315937196.

The previous prime is 631874381. The next prime is 631874429. The reversal of 631874396 is 693478136.

It is a happy number.

631874396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 631874396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78984296 + ... + 78984303.

It is an arithmetic number, because the mean of its divisors is an integer number (184296700).

Almost surely, 2^631874396 is an apocalyptic number.

It is an amenable number.

631874396 is a deficient number, since it is larger than the sum of its proper divisors (473905804).

631874396 is a wasteful number, since it uses less digits than its factorization.

631874396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157968603 (or 157968601 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 631874396 is about 25137.1119263928. Note that the first 3 decimals coincide. The cubic root of 631874396 is about 858.1112307187. Note that the first 3 decimals are identical.

The spelling of 631874396 in words is "six hundred thirty-one million, eight hundred seventy-four thousand, three hundred ninety-six".