349198764 has 12 divisors (see below), whose sum is σ = 814797144. Its totient is φ = 116399584.

The previous prime is 349198753. The next prime is 349198769. The reversal of 349198764 is 467891943.

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 (349198769) 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, 14549937 + ... + 14549960.

It is an arithmetic number, because the mean of its divisors is an integer number (67899762).

Almost surely, 2^349198764 is an apocalyptic number.

It is an amenable number.

349198764 is an abundant number, since it is smaller than the sum of its proper divisors (465598380).

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

349198764 is a wasteful number, since it uses less digits than its factorization.

349198764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29099904 (or 29099902 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 349198764 is about 18686.8607315408. The cubic root of 349198764 is about 704.1916957098.

The spelling of 349198764 in words is "three hundred forty-nine million, one hundred ninety-eight thousand, seven hundred sixty-four".