349364215 has 4 divisors (see below), whose sum is σ = 419237064. Its totient is φ = 279491368.

The previous prime is 349364179. The next prime is 349364231. The reversal of 349364215 is 512463943.

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 349364215 - 2⁷ = 349364087 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 3 ways as a sum of consecutive naturals, for example, 34936417 + ... + 34936426.

It is an arithmetic number, because the mean of its divisors is an integer number (104809266).

Almost surely, 2^349364215 is an apocalyptic number.

349364215 is a deficient number, since it is larger than the sum of its proper divisors (69872849).

349364215 is an equidigital number, since it uses as much as digits as its factorization.

349364215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69872848.

The product of its digits is 77760, while the sum is 37.

The square root of 349364215 is about 18691.2871413394. The cubic root of 349364215 is about 704.3028939121.

The spelling of 349364215 in words is "three hundred forty-nine million, three hundred sixty-four thousand, two hundred fifteen".