342005205 has 8 divisors (see below), whose sum is σ = 547208352. Its totient is φ = 182402768.

The previous prime is 342005179. The next prime is 342005309. The reversal of 342005205 is 502500243.

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

It is a cyclic number.

It is not a de Polignac number, because 342005205 - 2⁷ = 342005077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11400159 + ... + 11400188.

It is an arithmetic number, because the mean of its divisors is an integer number (68401044).

Almost surely, 2^342005205 is an apocalyptic number.

It is an amenable number.

342005205 is a deficient number, since it is larger than the sum of its proper divisors (205203147).

342005205 is a wasteful number, since it uses less digits than its factorization.

342005205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22800355.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 342005205 is about 18493.3827354543. The cubic root of 342005205 is about 699.3226134152.

Adding to 342005205 its reverse (502500243), we get a palindrome (844505448).

The spelling of 342005205 in words is "three hundred forty-two million, five thousand, two hundred five".