349189165 has 16 divisors (see below), whose sum is σ = 463459248. Its totient is φ = 250891776.

The previous prime is 349189133. The next prime is 349189171. The reversal of 349189165 is 561981943.

It can be written as a sum of positive squares in 8 ways, for example, as 8749764 + 340439401 = 2958^2 + 18451^2 .

It is a cyclic number.

It is not a de Polignac number, because 349189165 - 2⁵ = 349189133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70192 + ... + 75001.

It is an arithmetic number, because the mean of its divisors is an integer number (28966203).

Almost surely, 2^349189165 is an apocalyptic number.

It is an amenable number.

349189165 is a deficient number, since it is larger than the sum of its proper divisors (114270083).

349189165 is a wasteful number, since it uses less digits than its factorization.

349189165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145248.

The product of its digits is 233280, while the sum is 46.

The square root of 349189165 is about 18686.6038915583. The cubic root of 349189165 is about 704.1852432261.

The spelling of 349189165 in words is "three hundred forty-nine million, one hundred eighty-nine thousand, one hundred sixty-five".