343302979 has 4 divisors (see below), whose sum is σ = 343449784. Its totient is φ = 343156176.

The previous prime is 343302961. The next prime is 343303007. The reversal of 343302979 is 979203343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979203343 = 367 ⋅2668129.

It is a cyclic number.

It is not a de Polignac number, because 343302979 - 2⁹ = 343302467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343302919) 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, 69837 + ... + 74590.

It is an arithmetic number, because the mean of its divisors is an integer number (85862446).

Almost surely, 2^343302979 is an apocalyptic number.

343302979 is a deficient number, since it is larger than the sum of its proper divisors (146805).

343302979 is a wasteful number, since it uses less digits than its factorization.

343302979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146804.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 343302979 is about 18528.4370360805. The cubic root of 343302979 is about 700.2060475065.

The spelling of 343302979 in words is "three hundred forty-three million, three hundred two thousand, nine hundred seventy-nine".