349249 has 4 divisors (see below), whose sum is σ = 354240. Its totient is φ = 344260.

The previous prime is 349241. The next prime is 349291. The reversal of 349249 is 942943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 349249 - 2³ = 349241 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 349249.

It is not an unprimeable number, because it can be changed into a prime (349241) by changing a digit.

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, 2389 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2³⁴⁹²⁴⁹ is an apocalyptic number.

It is an amenable number.

349249 is a deficient number, since it is larger than the sum of its proper divisors (4991).

349249 is an equidigital number, since it uses as much as digits as its factorization.

349249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990.

The product of its digits is 7776, while the sum is 31.

The square root of 349249 is about 590.9729266219. The cubic root of 349249 is about 70.4225462608.

The spelling of 349249 in words is "three hundred forty-nine thousand, two hundred forty-nine".