493839 has 12 divisors (see below), whose sum is σ = 733096. Its totient is φ = 320112.

The previous prime is 493817. The next prime is 493853. The reversal of 493839 is 938394.

It is not a de Polignac number, because 493839 - 2⁵ = 493807 is a prime.

It is a Duffinian number.

493839 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493859) 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, 409 + ... + 1074.

2⁴⁹³⁸³⁹ is an apocalyptic number.

493839 is a deficient number, since it is larger than the sum of its proper divisors (239257).

493839 is a wasteful number, since it uses less digits than its factorization.

493839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1523 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 493839 is about 702.7367928321. The cubic root of 493839 is about 79.0427051060.

The spelling of 493839 in words is "four hundred ninety-three thousand, eight hundred thirty-nine".