349808870 has 32 divisors (see below), whose sum is σ = 645749280. Its totient is φ = 136362240.

The previous prime is 349808839. The next prime is 349808903. The reversal of 349808870 is 78808943.

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, 326696 + ... + 327764.

It is an arithmetic number, because the mean of its divisors is an integer number (20179665).

Almost surely, 2^349808870 is an apocalyptic number.

349808870 is a deficient number, since it is larger than the sum of its proper divisors (295940410).

349808870 is a wasteful number, since it uses less digits than its factorization.

349808870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 349808870 is about 18703.1780721887. The cubic root of 349808870 is about 704.6015688765.

The spelling of 349808870 in words is "three hundred forty-nine million, eight hundred eight thousand, eight hundred seventy".