713839 has 4 divisors (see below), whose sum is σ = 815824. Its totient is φ = 611856.

The previous prime is 713833. The next prime is 713861. The reversal of 713839 is 938317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938317 = 211 ⋅4447.

It is not a de Polignac number, because 713839 - 2³ = 713831 is a prime.

It is a super-2 number, since 2×713839² = 1019132235842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 713839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50982 + ... + 50995.

It is an arithmetic number, because the mean of its divisors is an integer number (203956).

2⁷¹³⁸³⁹ is an apocalyptic number.

713839 is a deficient number, since it is larger than the sum of its proper divisors (101985).

713839 is a wasteful number, since it uses less digits than its factorization.

713839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101984.

The product of its digits is 4536, while the sum is 31.

The square root of 713839 is about 844.8899336600. The cubic root of 713839 is about 89.3717147145.

The spelling of 713839 in words is "seven hundred thirteen thousand, eight hundred thirty-nine".