349185156 has 12 divisors (see below), whose sum is σ = 814765392. Its totient is φ = 116395048.

The previous prime is 349185139. The next prime is 349185157. The reversal of 349185156 is 651581943.

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

It is not an unprimeable number, because it can be changed into a prime (349185157) 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, 14549370 + ... + 14549393.

It is an arithmetic number, because the mean of its divisors is an integer number (67897116).

Almost surely, 2^349185156 is an apocalyptic number.

It is an amenable number.

349185156 is an abundant number, since it is smaller than the sum of its proper divisors (465580236).

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

349185156 is a wasteful number, since it uses less digits than its factorization.

349185156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29098770 (or 29098768 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 349185156 is about 18686.4966218925. The cubic root of 349185156 is about 704.1825483263.

The spelling of 349185156 in words is "three hundred forty-nine million, one hundred eighty-five thousand, one hundred fifty-six".