344399 has 8 divisors (see below), whose sum is σ = 380160. Its totient is φ = 309400.

The previous prime is 344371. The next prime is 344417. The reversal of 344399 is 993443.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344399 is a prime.

It is a super-2 number, since 2×344399² = 237221342402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344599) 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, 1322 + ... + 1560.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2³⁴⁴³⁹⁹ is an apocalyptic number.

344399 is a deficient number, since it is larger than the sum of its proper divisors (35761).

344399 is a wasteful number, since it uses less digits than its factorization.

344399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 11664, while the sum is 32.

The square root of 344399 is about 586.8551780465. The cubic root of 344399 is about 70.0950409698.

The spelling of 344399 in words is "three hundred forty-four thousand, three hundred ninety-nine".