345939 has 12 divisors (see below), whose sum is σ = 507528. Its totient is φ = 209440.

The previous prime is 345937. The next prime is 345953. The reversal of 345939 is 939543.

It is not a de Polignac number, because 345939 - 2¹ = 345937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (345937) 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, 114 + ... + 839.

It is an arithmetic number, because the mean of its divisors is an integer number (42294).

2³⁴⁵⁹³⁹ is an apocalyptic number.

345939 is a deficient number, since it is larger than the sum of its proper divisors (161589).

345939 is a wasteful number, since it uses less digits than its factorization.

345939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 967 counting only the distinct ones).

The product of its digits is 14580, while the sum is 33.

The square root of 345939 is about 588.1657929530. The cubic root of 345939 is about 70.1993636358.

The spelling of 345939 in words is "three hundred forty-five thousand, nine hundred thirty-nine".