349117212 has 12 divisors (see below), whose sum is σ = 814606856. Its totient is φ = 116372400.

The previous prime is 349117211. The next prime is 349117217. The reversal of 349117212 is 212711943.

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

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 349117212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349117211) 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, 14546539 + ... + 14546562.

Almost surely, 2^349117212 is an apocalyptic number.

It is an amenable number.

349117212 is an abundant number, since it is smaller than the sum of its proper divisors (465489644).

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

349117212 is a wasteful number, since it uses less digits than its factorization.

349117212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29093108 (or 29093106 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 349117212 is about 18684.6785361697. The cubic root of 349117212 is about 704.1368723845.

The spelling of 349117212 in words is "three hundred forty-nine million, one hundred seventeen thousand, two hundred twelve".