914891631 has 16 divisors (see below), whose sum is σ = 1280530944. Its totient is φ = 579908384.

The previous prime is 914891599. The next prime is 914891641. The reversal of 914891631 is 136198419.

914891631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 914891631 - 2⁵ = 914891599 is a prime.

It is a super-2 number, since 2×914891631² = 1674053392947680322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914891641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28176 + ... + 51221.

It is an arithmetic number, because the mean of its divisors is an integer number (80033184).

Almost surely, 2^914891631 is an apocalyptic number.

914891631 is a deficient number, since it is larger than the sum of its proper divisors (365639313).

914891631 is a wasteful number, since it uses less digits than its factorization.

914891631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79590.

The product of its digits is 46656, while the sum is 42.

The square root of 914891631 is about 30247.1755871519. The cubic root of 914891631 is about 970.7853599942.

The spelling of 914891631 in words is "nine hundred fourteen million, eight hundred ninety-one thousand, six hundred thirty-one".