931400864 has 12 divisors (see below), whose sum is σ = 1833695514. Its totient is φ = 465700416.

The previous prime is 931400863. The next prime is 931400923. The reversal of 931400864 is 468004139.

It can be written as a sum of positive squares in only one way, i.e., 922944400 + 8456464 = 30380^2 + 2908^2 .

It is not an unprimeable number, because it can be changed into a prime (931400861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14553107 + ... + 14553170.

Almost surely, 2^931400864 is an apocalyptic number.

It is an amenable number.

931400864 is a deficient number, since it is larger than the sum of its proper divisors (902294650).

931400864 is a wasteful number, since it uses less digits than its factorization.

931400864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29106287 (or 29106279 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 931400864 is about 30518.8607913205. The cubic root of 931400864 is about 976.5898633565.

The spelling of 931400864 in words is "nine hundred thirty-one million, four hundred thousand, eight hundred sixty-four".