349957342 has 32 divisors (see below), whose sum is σ = 638089920. Its totient is φ = 140520960.

The previous prime is 349957339. The next prime is 349957373. The reversal of 349957342 is 243759943.

It is a junction number, because it is equal to n+sod(n) for n = 349957292 and 349957301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51292 + ... + 57712.

It is an arithmetic number, because the mean of its divisors is an integer number (19940310).

Almost surely, 2^349957342 is an apocalyptic number.

349957342 is a deficient number, since it is larger than the sum of its proper divisors (288132578).

349957342 is a wasteful number, since it uses less digits than its factorization.

349957342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676.

The product of its digits is 816480, while the sum is 46.

The square root of 349957342 is about 18707.1468161235. The cubic root of 349957342 is about 704.7012412176.

The spelling of 349957342 in words is "three hundred forty-nine million, nine hundred fifty-seven thousand, three hundred forty-two".