349318692 has 18 divisors (see below), whose sum is σ = 883000118. Its totient is φ = 116439552.

The previous prime is 349318691. The next prime is 349318699. The reversal of 349318692 is 296813943.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 267126336 + 82192356 = 16344^2 + 9066^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (349318691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4851613 + ... + 4851684.

Almost surely, 2^349318692 is an apocalyptic number.

It is an amenable number.

349318692 is an abundant number, since it is smaller than the sum of its proper divisors (533681426).

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

349318692 is a wasteful number, since it uses less digits than its factorization.

349318692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703307 (or 9703302 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 349318692 is about 18690.0693417654. The cubic root of 349318692 is about 704.2723017946.

The spelling of 349318692 in words is "three hundred forty-nine million, three hundred eighteen thousand, six hundred ninety-two".