913972 has 12 divisors (see below), whose sum is σ = 1638756. Its totient is φ = 445760.

The previous prime is 913943. The next prime is 913981. The reversal of 913972 is 279319.

It can be written as a sum of positive squares in 2 ways, for example, as 41616 + 872356 = 204^2 + 934^2 .

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2623 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (136563).

2⁹¹³⁹⁷² is an apocalyptic number.

It is an amenable number.

913972 is a deficient number, since it is larger than the sum of its proper divisors (724784).

913972 is a wasteful number, since it uses less digits than its factorization.

913972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618 (or 5616 counting only the distinct ones).

The product of its digits is 3402, while the sum is 31.

The square root of 913972 is about 956.0188282665. The cubic root of 913972 is about 97.0459979524.

The spelling of 913972 in words is "nine hundred thirteen thousand, nine hundred seventy-two".