349361885 has 16 divisors (see below), whose sum is σ = 429851136. Its totient is φ = 272438208.

The previous prime is 349361839. The next prime is 349361891. The reversal of 349361885 is 588163943.

It is a cyclic number.

It is not a de Polignac number, because 349361885 - 2²⁰ = 348313309 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129167 + ... + 131843.

It is an arithmetic number, because the mean of its divisors is an integer number (26865696).

Almost surely, 2^349361885 is an apocalyptic number.

It is an amenable number.

349361885 is a deficient number, since it is larger than the sum of its proper divisors (80489251).

349361885 is a wasteful number, since it uses less digits than its factorization.

349361885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332.

The product of its digits is 622080, while the sum is 47.

The square root of 349361885 is about 18691.2248127296. The cubic root of 349361885 is about 704.3013281827.

The spelling of 349361885 in words is "three hundred forty-nine million, three hundred sixty-one thousand, eight hundred eighty-five".