349909292 has 12 divisors (see below), whose sum is σ = 613708200. Its totient is φ = 174564096.

The previous prime is 349909291. The next prime is 349909319. The reversal of 349909292 is 292909943.

It is not an unprimeable number, because it can be changed into a prime (349909291) 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, 95618 + ... + 99209.

It is an arithmetic number, because the mean of its divisors is an integer number (51142350).

Almost surely, 2^349909292 is an apocalyptic number.

It is an amenable number.

349909292 is a deficient number, since it is larger than the sum of its proper divisors (263798908).

349909292 is a wasteful number, since it uses less digits than its factorization.

349909292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195280 (or 195278 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 349909292 is about 18705.8625035041. The cubic root of 349909292 is about 704.6689873394.

The spelling of 349909292 in words is "three hundred forty-nine million, nine hundred nine thousand, two hundred ninety-two".