971938924 has 24 divisors (see below), whose sum is σ = 1856319696. Its totient is φ = 441600000.

The previous prime is 971938873. The next prime is 971938927. The reversal of 971938924 is 429839179.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (971938927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173284 + ... + 178804.

It is an arithmetic number, because the mean of its divisors is an integer number (77346654).

Almost surely, 2^971938924 is an apocalyptic number.

It is an amenable number.

971938924 is a deficient number, since it is larger than the sum of its proper divisors (884380772).

971938924 is a wasteful number, since it uses less digits than its factorization.

971938924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537 (or 9535 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 971938924 is about 31175.9350140457. The cubic root of 971938924 is about 990.5574264449.

The spelling of 971938924 in words is "nine hundred seventy-one million, nine hundred thirty-eight thousand, nine hundred twenty-four".