342847408 has 20 divisors (see below), whose sum is σ = 664893208. Its totient is φ = 171262080.

The previous prime is 342847403. The next prime is 342847423. The reversal of 342847408 is 804748243.

It is not an unprimeable number, because it can be changed into a prime (342847403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428 + ... + 27508.

Almost surely, 2^342847408 is an apocalyptic number.

It is an amenable number.

342847408 is a deficient number, since it is larger than the sum of its proper divisors (322045800).

342847408 is a wasteful number, since it uses less digits than its factorization.

342847408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20212 (or 20206 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 342847408 is about 18516.1391223981. The cubic root of 342847408 is about 699.8961805213.

The spelling of 342847408 in words is "three hundred forty-two million, eight hundred forty-seven thousand, four hundred eight".