339869 has 4 divisors (see below), whose sum is σ = 342300. Its totient is φ = 337440.

The previous prime is 339863. The next prime is 339887. The reversal of 339869 is 968933.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 225625 = 338^2 + 475^2 .

It is a cyclic number.

It is not a de Polignac number, because 339869 - 2⁸ = 339613 is a prime.

It is a super-2 number, since 2×339869² = 231021874322, which contains 22 as substring.

It is a Duffinian 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 339869.

It is not an unprimeable number, because it can be changed into a prime (339863) 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, 992 + ... + 1289.

It is an arithmetic number, because the mean of its divisors is an integer number (85575).

2³³⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

339869 is a deficient number, since it is larger than the sum of its proper divisors (2431).

339869 is a wasteful number, since it uses less digits than its factorization.

339869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

The product of its digits is 34992, while the sum is 38.

The square root of 339869 is about 582.9828470890. The cubic root of 339869 is about 69.7863554088.

The spelling of 339869 in words is "three hundred thirty-nine thousand, eight hundred sixty-nine".