479401589 has 4 divisors (see below), whose sum is σ = 488446956. Its totient is φ = 470356224.

The previous prime is 479401567. The next prime is 479401591. The reversal of 479401589 is 985104974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 182115025 + 297286564 = 13495^2 + 17242^2 .

It is a cyclic number.

It is not a de Polignac number, because 479401589 - 2⁸ = 479401333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479401529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522604 + ... + 4522709.

It is an arithmetic number, because the mean of its divisors is an integer number (122111739).

Almost surely, 2^479401589 is an apocalyptic number.

It is an amenable number.

479401589 is a deficient number, since it is larger than the sum of its proper divisors (9045367).

479401589 is an equidigital number, since it uses as much as digits as its factorization.

479401589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045366.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 479401589 is about 21895.2412409638. The cubic root of 479401589 is about 782.6480179456.

The spelling of 479401589 in words is "four hundred seventy-nine million, four hundred one thousand, five hundred eighty-nine".