479857 has 8 divisors (see below), whose sum is σ = 560000. Its totient is φ = 411012.

The previous prime is 479839. The next prime is 479861. The reversal of 479857 is 758974.

It is not a de Polignac number, because 479857 - 2¹¹ = 477809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (479357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (70000).

2⁴⁷⁹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

479857 is a deficient number, since it is larger than the sum of its proper divisors (80143).

479857 is an equidigital number, since it uses as much as digits as its factorization.

479857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1406 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 479857 is about 692.7171139794. The cubic root of 479857 is about 78.2895766890.

The spelling of 479857 in words is "four hundred seventy-nine thousand, eight hundred fifty-seven".