349909029 has 6 divisors (see below), whose sum is σ = 505424166. Its totient is φ = 233272680.

The previous prime is 349908971. The next prime is 349909033. The reversal of 349909029 is 920909943.

It can be written as a sum of positive squares in only one way, i.e., 338192100 + 11716929 = 18390^2 + 3423^2 .

It is not a de Polignac number, because 349909029 - 2¹⁷ = 349777957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349909039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19439382 + ... + 19439399.

It is an arithmetic number, because the mean of its divisors is an integer number (84237361).

Almost surely, 2^349909029 is an apocalyptic number.

It is an amenable number.

349909029 is a deficient number, since it is larger than the sum of its proper divisors (155515137).

349909029 is a wasteful number, since it uses less digits than its factorization.

349909029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38878787 (or 38878784 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 349909029 is about 18705.8554736211. The cubic root of 349909029 is about 704.6688107908.

The spelling of 349909029 in words is "three hundred forty-nine million, nine hundred nine thousand, twenty-nine".