479657 has 4 divisors (see below), whose sum is σ = 485520. Its totient is φ = 473796.

The previous prime is 479639. The next prime is 479701. The reversal of 479657 is 756974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 479657 - 2⁶ = 479593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 479657.

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 3 ways as a sum of consecutive naturals, for example, 2807 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (121380).

2⁴⁷⁹⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

479657 is a deficient number, since it is larger than the sum of its proper divisors (5863).

479657 is an equidigital number, since it uses as much as digits as its factorization.

479657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862.

The product of its digits is 52920, while the sum is 38.

The square root of 479657 is about 692.5727398620. The cubic root of 479657 is about 78.2786983848.

It can be divided in two parts, 4796 and 57, that multiplied together give a palindrome (273372).

The spelling of 479657 in words is "four hundred seventy-nine thousand, six hundred fifty-seven".