349769 has 8 divisors (see below), whose sum is σ = 413760. Its totient is φ = 289296.

The previous prime is 349759. The next prime is 349787. The reversal of 349769 is 967943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 349769 - 2⁴ = 349753 is a prime.

It is a super-2 number, since 2×349769² = 244676706722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (349709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 1064.

It is an arithmetic number, because the mean of its divisors is an integer number (51720).

2³⁴⁹⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

349769 is a deficient number, since it is larger than the sum of its proper divisors (63991).

349769 is a wasteful number, since it uses less digits than its factorization.

349769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759.

The product of its digits is 40824, while the sum is 38.

The square root of 349769 is about 591.4127154534. The cubic root of 349769 is about 70.4574798513.

The spelling of 349769 in words is "three hundred forty-nine thousand, seven hundred sixty-nine".