494439 has 8 divisors (see below), whose sum is σ = 719232. Its totient is φ = 299640.

The previous prime is 494413. The next prime is 494441. The reversal of 494439 is 934494.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494439 - 2⁵ = 494407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 14983 = 494439 / (4 + 9 + 4 + 4 + 3 + 9).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494439.

It is not an unprimeable number, because it can be changed into a prime (494539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7459 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (89904).

2⁴⁹⁴⁴³⁹ is an apocalyptic number.

494439 is a deficient number, since it is larger than the sum of its proper divisors (224793).

494439 is a wasteful number, since it uses less digits than its factorization.

494439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14997.

The product of its digits is 15552, while the sum is 33.

The square root of 494439 is about 703.1635656090. The cubic root of 494439 is about 79.0747036784.

The spelling of 494439 in words is "four hundred ninety-four thousand, four hundred thirty-nine".