349256 has 16 divisors (see below), whose sum is σ = 661500. Its totient is φ = 172864.

The previous prime is 349241. The next prime is 349291. The reversal of 349256 is 652943.

It can be written as a sum of positive squares in 2 ways, for example, as 348100 + 1156 = 590^2 + 34^2 .

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 349256.

It is an unprimeable number.

349256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 1338.

2³⁴⁹²⁵⁶ is an apocalyptic number.

It is an amenable number.

349256 is a deficient number, since it is larger than the sum of its proper divisors (312244).

349256 is a wasteful number, since it uses less digits than its factorization.

349256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 349256 is about 590.9788490293. The cubic root of 349256 is about 70.4230167509.

The spelling of 349256 in words is "three hundred forty-nine thousand, two hundred fifty-six".