342391079 has 4 divisors (see below), whose sum is σ = 342712440. Its totient is φ = 342069720.

The previous prime is 342391057. The next prime is 342391103. The reversal of 342391079 is 970193243.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342391079 - 2⁸ = 342390823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342391009) 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, 159077 + ... + 161214.

It is an arithmetic number, because the mean of its divisors is an integer number (85678110).

Almost surely, 2^342391079 is an apocalyptic number.

342391079 is a deficient number, since it is larger than the sum of its proper divisors (321361).

342391079 is a wasteful number, since it uses less digits than its factorization.

342391079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321360.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 342391079 is about 18503.8125530929. The cubic root of 342391079 is about 699.5855226593.

The spelling of 342391079 in words is "three hundred forty-two million, three hundred ninety-one thousand, seventy-nine".