439479 has 16 divisors (see below), whose sum is σ = 668640. Its totient is φ = 285120.

The previous prime is 439471. The next prime is 439493. The reversal of 439479 is 974934.

It is not a de Polignac number, because 439479 - 2³ = 439471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439471) 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, 909 + ... + 1305.

It is an arithmetic number, because the mean of its divisors is an integer number (41790).

2⁴³⁹⁴⁷⁹ is an apocalyptic number.

439479 is a deficient number, since it is larger than the sum of its proper divisors (229161).

439479 is a wasteful number, since it uses less digits than its factorization.

439479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 441 counting only the distinct ones).

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

The square root of 439479 is about 662.9321232223. The cubic root of 439479 is about 76.0290170823.

It can be divided in two parts, 43947 and 9, that added together give a triangular number (43956 = T₂₉₆).

The spelling of 439479 in words is "four hundred thirty-nine thousand, four hundred seventy-nine".