486957931 has 2 divisors, whose sum is σ = 486957932. Its totient is φ = 486957930.

The previous prime is 486957917. The next prime is 486957949. The reversal of 486957931 is 139759684.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 486957931 - 2⁷ = 486957803 is a prime.

It is a super-2 number, since 2×486957931² = 474256053127601522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (486957901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243478965 + 243478966.

It is an arithmetic number, because the mean of its divisors is an integer number (243478966).

Almost surely, 2^486957931 is an apocalyptic number.

486957931 is a deficient number, since it is larger than the sum of its proper divisors (1).

486957931 is an equidigital number, since it uses as much as digits as its factorization.

486957931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 486957931 is about 22067.1233059500. The cubic root of 486957931 is about 786.7386408540.

The spelling of 486957931 in words is "four hundred eighty-six million, nine hundred fifty-seven thousand, nine hundred thirty-one".