457974889 has 2 divisors, whose sum is σ = 457974890. Its totient is φ = 457974888.

The previous prime is 457974871. The next prime is 457974973. The reversal of 457974889 is 988479754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 457104400 + 870489 = 21380^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 457974889 - 2⁵ = 457974857 is a prime.

It is not a weakly prime, because it can be changed into another prime (457974859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228987444 + 228987445.

It is an arithmetic number, because the mean of its divisors is an integer number (228987445).

Almost surely, 2^457974889 is an apocalyptic number.

It is an amenable number.

457974889 is a deficient number, since it is larger than the sum of its proper divisors (1).

457974889 is an equidigital number, since it uses as much as digits as its factorization.

457974889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 61.

The square root of 457974889 is about 21400.3478710043. The cubic root of 457974889 is about 770.8097901070.

The spelling of 457974889 in words is "four hundred fifty-seven million, nine hundred seventy-four thousand, eight hundred eighty-nine".