344402 has 8 divisors (see below), whose sum is σ = 539136. Its totient is φ = 164692.

The previous prime is 344371. The next prime is 344417. The reversal of 344402 is 204443.

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

It is a super-2 number, since 2×344402² = 237225475208, which contains 22 as substring.

It is an unprimeable number.

344402 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, 3698 + ... + 3789.

It is an arithmetic number, because the mean of its divisors is an integer number (67392).

2³⁴⁴⁴⁰² is an apocalyptic number.

344402 is a deficient number, since it is larger than the sum of its proper divisors (194734).

344402 is a wasteful number, since it uses less digits than its factorization.

344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 344402 is about 586.8577340378. The cubic root of 344402 is about 70.0952444978.

Adding to 344402 its reverse (204443), we get a palindrome (548845).

The spelling of 344402 in words is "three hundred forty-four thousand, four hundred two", and thus it is an iban number.