344404 has 12 divisors (see below), whose sum is σ = 623700. Its totient is φ = 166208.

The previous prime is 344371. The next prime is 344417. The reversal of 344404 is 404443.

It can be written as a sum of positive squares in 2 ways, for example, as 63504 + 280900 = 252^2 + 530^2 .

It is a super-2 number, since 2×344404² = 237228230432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable 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, 1369 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (51975).

2³⁴⁴⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

344404 is a deficient number, since it is larger than the sum of its proper divisors (279296).

344404 is a wasteful number, since it uses less digits than its factorization.

344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 344404 is about 586.8594380258. The cubic root of 344404 is about 70.0953801825.

Adding to 344404 its reverse (404443), we get a palindrome (748847).

The spelling of 344404 in words is "three hundred forty-four thousand, four hundred four", and thus it is an iban number.