974896939 has 2 divisors, whose sum is σ = 974896940. Its totient is φ = 974896938.

The previous prime is 974896927. The next prime is 974896961. The reversal of 974896939 is 939698479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 974896939 - 2⁹ = 974896427 is a prime.

It is not a weakly prime, because it can be changed into another prime (974896919) 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 as a sum of consecutive naturals, namely, 487448469 + 487448470.

It is an arithmetic number, because the mean of its divisors is an integer number (487448470).

Almost surely, 2^974896939 is an apocalyptic number.

974896939 is a deficient number, since it is larger than the sum of its proper divisors (1).

974896939 is an equidigital number, since it uses as much as digits as its factorization.

974896939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26453952, while the sum is 64.

The square root of 974896939 is about 31223.3396516132. The cubic root of 974896939 is about 991.5613016818.

The spelling of 974896939 in words is "nine hundred seventy-four million, eight hundred ninety-six thousand, nine hundred thirty-nine".