972928424 has 32 divisors (see below), whose sum is σ = 2032317000. Its totient is φ = 433558272.

The previous prime is 972928393. The next prime is 972928427. The reversal of 972928424 is 424829279.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 895804900 + 77123524 = 29930^2 + 8782^2 .

It is not an unprimeable number, because it can be changed into a prime (972928427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158279 + ... + 164310.

Almost surely, 2^972928424 is an apocalyptic number.

It is an amenable number.

972928424 is an abundant number, since it is smaller than the sum of its proper divisors (1059388576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972928424 is a wasteful number, since it uses less digits than its factorization.

972928424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322637 (or 322633 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 972928424 is about 31191.8005892574. The cubic root of 972928424 is about 990.8934640686.

The spelling of 972928424 in words is "nine hundred seventy-two million, nine hundred twenty-eight thousand, four hundred twenty-four".