349668342 has 24 divisors (see below), whose sum is σ = 802181016. Its totient is φ = 109699776.

The previous prime is 349668337. The next prime is 349668373. The reversal of 349668342 is 243866943.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 571048 + ... + 571659.

It is an arithmetic number, because the mean of its divisors is an integer number (33424209).

Almost surely, 2^349668342 is an apocalyptic number.

349668342 is an abundant number, since it is smaller than the sum of its proper divisors (452512674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

349668342 is a wasteful number, since it uses less digits than its factorization.

349668342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142732 (or 1142729 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 349668342 is about 18699.4209001242. The cubic root of 349668342 is about 704.5072035246.

The spelling of 349668342 in words is "three hundred forty-nine million, six hundred sixty-eight thousand, three hundred forty-two".