479889 has 12 divisors (see below), whose sum is σ = 703872. Its totient is φ = 315000.

The previous prime is 479881. The next prime is 479891. The reversal of 479889 is 988974.

It is not a de Polignac number, because 479889 - 2³ = 479881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (479881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (58656).

479889 is a Friedman number, since it can be written as ((9*8)^4/8-9)/7, using all its digits and the basic arithmetic operations.

2⁴⁷⁹⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

479889 is a deficient number, since it is larger than the sum of its proper divisors (223983).

479889 is a wasteful number, since it uses less digits than its factorization.

479889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 825 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 479889 is about 692.7402110460. The cubic root of 479889 is about 78.2913169371.

The spelling of 479889 in words is "four hundred seventy-nine thousand, eight hundred eighty-nine".