974380931 has 2 divisors, whose sum is σ = 974380932.
Its totient is φ = 974380930.
The previous prime is 974380861. The next prime is 974380937. The reversal of 974380931 is 139083479.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-974380931 is a prime.
It is a super-2 number, since 2×9743809312 = 1898836397392853522, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (974380937) 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 as a sum of consecutive naturals, namely, 487190465 + 487190466.
It is an arithmetic number, because the mean of its divisors is an integer number (487190466).
Almost surely, 2974380931 is an apocalyptic number.
974380931 is a deficient number, since it is larger than the sum of its proper divisors (1).
974380931 is an equidigital number, since it uses as much as digits as its factorization.
974380931 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 163296, while the sum is 44.
The square root of 974380931 is about 31215.0753803351.
The cubic root of 974380931 is about 991.3863280198.
The spelling of 974380931 in words is "nine hundred seventy-four million, three hundred eighty thousand, nine hundred thirty-one".