349075660 has 12 divisors (see below), whose sum is σ = 733058928. Its totient is φ = 139630256.

The previous prime is 349075633. The next prime is 349075663. The reversal of 349075660 is 66570943.

It is not an unprimeable number, because it can be changed into a prime (349075663) 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, 8726872 + ... + 8726911.

It is an arithmetic number, because the mean of its divisors is an integer number (61088244).

Almost surely, 2^349075660 is an apocalyptic number.

It is an amenable number.

349075660 is an abundant number, since it is smaller than the sum of its proper divisors (383983268).

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

349075660 is a wasteful number, since it uses less digits than its factorization.

349075660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17453792 (or 17453790 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 349075660 is about 18683.5665760047. The cubic root of 349075660 is about 704.1089357726.

The spelling of 349075660 in words is "three hundred forty-nine million, seventy-five thousand, six hundred sixty".