349804111 has 4 divisors (see below), whose sum is σ = 350907912. Its totient is φ = 348700312.

The previous prime is 349804109. The next prime is 349804123. The reversal of 349804111 is 111408943.

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 349804111 - 2¹ = 349804109 is a prime.

It is a Smith number, since the sum of its digits (31) 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 not an unprimeable number, because it can be changed into a prime (349804181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551425 + ... + 552058.

It is an arithmetic number, because the mean of its divisors is an integer number (87726978).

Almost surely, 2^349804111 is an apocalyptic number.

349804111 is a deficient number, since it is larger than the sum of its proper divisors (1103801).

349804111 is a wasteful number, since it uses less digits than its factorization.

349804111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103800.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 349804111 is about 18703.0508473885. The cubic root of 349804111 is about 704.5983735944.

The spelling of 349804111 in words is "three hundred forty-nine million, eight hundred four thousand, one hundred eleven".