339997 has 4 divisors (see below), whose sum is σ = 388576. Its totient is φ = 291420.

The previous prime is 339991. The next prime is 340007. The reversal of 339997 is 799933.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 799933 = 239 ⋅3347.

It is a cyclic number.

It is not a de Polignac number, because 339997 - 2¹¹ = 337949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339991) 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, 24279 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (97144).

2³³⁹⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

339997 is a deficient number, since it is larger than the sum of its proper divisors (48579).

339997 is an equidigital number, since it uses as much as digits as its factorization.

339997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48578.

The product of its digits is 45927, while the sum is 40.

The square root of 339997 is about 583.0926170001. The cubic root of 339997 is about 69.7951151881.

It can be divided in two parts, 3 and 39997, that added together give a square (40000 = 200²).

The spelling of 339997 in words is "three hundred thirty-nine thousand, nine hundred ninety-seven".