972388930 has 16 divisors (see below), whose sum is σ = 1754925120. Its totient is φ = 387927792.

The previous prime is 972388927. The next prime is 972388939. The reversal of 972388930 is 39883279.

It is not an unprimeable number, because it can be changed into a prime (972388939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124494 + ... + 132073.

It is an arithmetic number, because the mean of its divisors is an integer number (109682820).

Almost surely, 2^972388930 is an apocalyptic number.

972388930 is a deficient number, since it is larger than the sum of its proper divisors (782536190).

972388930 is a wasteful number, since it uses less digits than its factorization.

972388930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256953.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 972388930 is about 31183.1513801925. The cubic root of 972388930 is about 990.7102783018.

The spelling of 972388930 in words is "nine hundred seventy-two million, three hundred eighty-eight thousand, nine hundred thirty".