349163215 has 4 divisors (see below), whose sum is σ = 418995864. Its totient is φ = 279330568.

The previous prime is 349163203. The next prime is 349163231. The reversal of 349163215 is 512361943.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 349163215 - 2⁵ = 349163183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34916317 + ... + 34916326.

It is an arithmetic number, because the mean of its divisors is an integer number (104748966).

Almost surely, 2^349163215 is an apocalyptic number.

349163215 is a deficient number, since it is larger than the sum of its proper divisors (69832649).

349163215 is an equidigital number, since it uses as much as digits as its factorization.

349163215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69832648.

The product of its digits is 19440, while the sum is 34.

The square root of 349163215 is about 18685.9095309808. The cubic root of 349163215 is about 704.1677989470.

The spelling of 349163215 in words is "three hundred forty-nine million, one hundred sixty-three thousand, two hundred fifteen".