338739 has 4 divisors (see below), whose sum is σ = 451656. Its totient is φ = 225824.

The previous prime is 338731. The next prime is 338747. The reversal of 338739 is 937833.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (338731) and next prime (338747).

It is a cyclic number.

It is not a de Polignac number, because 338739 - 2³ = 338731 is a prime.

It is a super-2 number, since 2×338739² = 229488220242, which contains 22 as substring.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338739.

It is not an unprimeable number, because it can be changed into a prime (338731) 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, 56454 + ... + 56459.

It is an arithmetic number, because the mean of its divisors is an integer number (112914).

2³³⁸⁷³⁹ is an apocalyptic number.

338739 is a deficient number, since it is larger than the sum of its proper divisors (112917).

338739 is a wasteful number, since it uses less digits than its factorization.

338739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112916.

The product of its digits is 13608, while the sum is 33.

The square root of 338739 is about 582.0128864553. The cubic root of 338739 is about 69.7089273997.

The spelling of 338739 in words is "three hundred thirty-eight thousand, seven hundred thirty-nine".