631984790 has 16 divisors (see below), whose sum is σ = 1168318512. Its totient is φ = 245961504.

The previous prime is 631984789. The next prime is 631984799. The reversal of 631984790 is 97489136.

631984790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631984799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853664 + ... + 854403.

It is an arithmetic number, because the mean of its divisors is an integer number (73019907).

Almost surely, 2^631984790 is an apocalyptic number.

631984790 is a deficient number, since it is larger than the sum of its proper divisors (536333722).

631984790 is a wasteful number, since it uses less digits than its factorization.

631984790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708111.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 631984790 is about 25139.3076674756. The cubic root of 631984790 is about 858.1612009953.

The spelling of 631984790 in words is "six hundred thirty-one million, nine hundred eighty-four thousand, seven hundred ninety".