349866492 has 12 divisors (see below), whose sum is σ = 816355176. Its totient is φ = 116622160.

The previous prime is 349866479. The next prime is 349866523. The reversal of 349866492 is 294668943.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14577759 + ... + 14577782.

It is an arithmetic number, because the mean of its divisors is an integer number (68029598).

Almost surely, 2^349866492 is an apocalyptic number.

It is an amenable number.

349866492 is an abundant number, since it is smaller than the sum of its proper divisors (466488684).

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

349866492 is a wasteful number, since it uses less digits than its factorization.

349866492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29155548 (or 29155546 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The square root of 349866492 is about 18704.7184421472. The cubic root of 349866492 is about 704.6402550716.

The spelling of 349866492 in words is "three hundred forty-nine million, eight hundred sixty-six thousand, four hundred ninety-two".