342938 has 4 divisors (see below), whose sum is σ = 514410. Its totient is φ = 171468.

The previous prime is 342929. The next prime is 342949. The reversal of 342938 is 839243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 839243 = 859 ⋅977.

It can be written as a sum of positive squares in only one way, i.e., 196249 + 146689 = 443^2 + 383^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 342938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85733 + ... + 85736.

2³⁴²⁹³⁸ is an apocalyptic number.

342938 is a deficient number, since it is larger than the sum of its proper divisors (171472).

342938 is a wasteful number, since it uses less digits than its factorization.

342938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171471.

The product of its digits is 5184, while the sum is 29.

The square root of 342938 is about 585.6090846290. The cubic root of 342938 is about 69.9957820588.

The spelling of 342938 in words is "three hundred forty-two thousand, nine hundred thirty-eight".