349864 has 16 divisors (see below), whose sum is σ = 664020. Its totient is φ = 172800.

The previous prime is 349849. The next prime is 349871. The reversal of 349864 is 468943.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 1764 = 590^2 + 42^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592 + ... + 1024.

2³⁴⁹⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

349864 is a deficient number, since it is larger than the sum of its proper divisors (314156).

349864 is a wasteful number, since it uses less digits than its factorization.

349864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 536 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 349864 is about 591.4930261635. The cubic root of 349864 is about 70.4638582083.

The spelling of 349864 in words is "three hundred forty-nine thousand, eight hundred sixty-four".