342980209 has 16 divisors (see below), whose sum is σ = 420465024. Its totient is φ = 275299200.

The previous prime is 342980203. The next prime is 342980227. The reversal of 342980209 is 902089243.

It is not a de Polignac number, because 342980209 - 2³ = 342980201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342980201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48852 + ... + 55429.

It is an arithmetic number, because the mean of its divisors is an integer number (26279064).

Almost surely, 2^342980209 is an apocalyptic number.

It is an amenable number.

342980209 is a deficient number, since it is larger than the sum of its proper divisors (77484815).

342980209 is a wasteful number, since it uses less digits than its factorization.

342980209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104328.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 342980209 is about 18519.7248629671. The cubic root of 342980209 is about 699.9865364757.

It can be divided in two parts, 3429 and 80209, that added together give a palindrome (83638).

The spelling of 342980209 in words is "three hundred forty-two million, nine hundred eighty thousand, two hundred nine".