349791512 has 16 divisors (see below), whose sum is σ = 749553360. Its totient is φ = 149910624.

The previous prime is 349791503. The next prime is 349791517. The reversal of 349791512 is 215197943.

It is a super-2 number, since 2×349791512² = 244708203734492288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349791512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349791517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123083 + ... + 3123194.

It is an arithmetic number, because the mean of its divisors is an integer number (46847085).

Almost surely, 2^349791512 is an apocalyptic number.

It is an amenable number.

349791512 is an abundant number, since it is smaller than the sum of its proper divisors (399761848).

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

349791512 is a wasteful number, since it uses less digits than its factorization.

349791512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6246290 (or 6246286 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 349791512 is about 18702.7140276485. The cubic root of 349791512 is about 704.5899142489.

The spelling of 349791512 in words is "three hundred forty-nine million, seven hundred ninety-one thousand, five hundred twelve".