349979 has 12 divisors (see below), whose sum is σ = 427344. Its totient is φ = 280704.

The previous prime is 349967. The next prime is 349981. The reversal of 349979 is 979943.

It is not a de Polignac number, because 349979 - 2⁴ = 349963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1937 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (35612).

2³⁴⁹⁹⁷⁹ is an apocalyptic number.

349979 is a deficient number, since it is larger than the sum of its proper divisors (77365).

349979 is a wasteful number, since it uses less digits than its factorization.

349979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 197 counting only the distinct ones).

The product of its digits is 61236, while the sum is 41.

The square root of 349979 is about 591.5902298044. The cubic root of 349979 is about 70.4715778327.

The spelling of 349979 in words is "three hundred forty-nine thousand, nine hundred seventy-nine".