349134779 has 16 divisors (see below), whose sum is σ = 419381760. Its totient is φ = 284169600.

The previous prime is 349134749. The next prime is 349134791. The reversal of 349134779 is 977431943.

It is not a de Polignac number, because 349134779 - 2⁸ = 349134523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (349134749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14579 + ... + 30179.

It is an arithmetic number, because the mean of its divisors is an integer number (26211360).

Almost surely, 2^349134779 is an apocalyptic number.

349134779 is a deficient number, since it is larger than the sum of its proper divisors (70246981).

349134779 is a wasteful number, since it uses less digits than its factorization.

349134779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15770.

The product of its digits is 571536, while the sum is 47.

The square root of 349134779 is about 18685.1486212981. The cubic root of 349134779 is about 704.1486825202.

The spelling of 349134779 in words is "three hundred forty-nine million, one hundred thirty-four thousand, seven hundred seventy-nine".