342939 has 8 divisors (see below), whose sum is σ = 463360. Its totient is φ = 225576.

The previous prime is 342929. The next prime is 342949. The reversal of 342939 is 939243.

It is an interprime number because it is at equal distance from previous prime (342929) and next prime (342949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342939 - 2¹⁷ = 211867 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342939.

It is not an unprimeable number, because it can be changed into a prime (342929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487 + ... + 960.

It is an arithmetic number, because the mean of its divisors is an integer number (57920).

2³⁴²⁹³⁹ is an apocalyptic number.

342939 is a deficient number, since it is larger than the sum of its proper divisors (120421).

342939 is a wasteful number, since it uses less digits than its factorization.

342939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its digits is 5832, while the sum is 30.

The square root of 342939 is about 585.6099384403. The cubic root of 342939 is about 69.9958500941.

The spelling of 342939 in words is "three hundred forty-two thousand, nine hundred thirty-nine".