479439 has 12 divisors (see below), whose sum is σ = 718536. Its totient is φ = 319464.

The previous prime is 479431. The next prime is 479441. The reversal of 479439 is 934974.

It is not a de Polignac number, because 479439 - 2³ = 479431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744 + ... + 1229.

It is an arithmetic number, because the mean of its divisors is an integer number (59878).

2⁴⁷⁹⁴³⁹ is an apocalyptic number.

479439 is a deficient number, since it is larger than the sum of its proper divisors (239097).

479439 is an equidigital number, since it uses as much as digits as its factorization.

479439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1976 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 479439 is about 692.4153377851. The cubic root of 479439 is about 78.2668375884.

Subtracting 479439 from its reverse (934974), we obtain a triangular number (455535 = T₉₅₄).

It can be divided in two parts, 4794 and 39, that multiplied together give a triangular number (186966 = T₆₁₁).

The spelling of 479439 in words is "four hundred seventy-nine thousand, four hundred thirty-nine".