931421704 has 24 divisors (see below), whose sum is σ = 1849852890. Its totient is φ = 438148608.

The previous prime is 931421671. The next prime is 931421707. The reversal of 931421704 is 407124139.

It can be written as a sum of positive squares in 3 ways, for example, as 800776804 + 130644900 = 28298^2 + 11430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (931421707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354604 + ... + 357220.

Almost surely, 2^931421704 is an apocalyptic number.

It is an amenable number.

931421704 is a deficient number, since it is larger than the sum of its proper divisors (918431186).

931421704 is an equidigital number, since it uses as much as digits as its factorization.

931421704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 931421704 is about 30519.2022176203. The cubic root of 931421704 is about 976.5971470019.

The spelling of 931421704 in words is "nine hundred thirty-one million, four hundred twenty-one thousand, seven hundred four".