479689 has 16 divisors (see below), whose sum is σ = 604800. Its totient is φ = 370944.

The previous prime is 479639. The next prime is 479701. The reversal of 479689 is 986974.

It is not a de Polignac number, because 479689 - 2⁷ = 479561 is a prime.

Its product of digits (108864) is a multiple of the sum of its prime divisors (192).

479689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (479629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382 + ... + 3520.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁴⁷⁹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

479689 is a deficient number, since it is larger than the sum of its proper divisors (125111).

479689 is a wasteful number, since it uses less digits than its factorization.

479689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192.

The product of its digits is 108864, while the sum is 43.

The square root of 479689 is about 692.5958417432. The cubic root of 479689 is about 78.2804391167.

The spelling of 479689 in words is "four hundred seventy-nine thousand, six hundred eighty-nine".