344406 has 16 divisors (see below), whose sum is σ = 700848. Its totient is φ = 112800.

The previous prime is 344371. The next prime is 344417. The reversal of 344406 is 604443.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

344406 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (43803).

2³⁴⁴⁴⁰⁶ is an apocalyptic number.

344406 is an abundant number, since it is smaller than the sum of its proper divisors (356442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344406 is a wasteful number, since it uses less digits than its factorization.

344406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 344406 is about 586.8611420089. The cubic root of 344406 is about 70.0955158666.

Adding to 344406 its reverse (604443), we get a palindrome (948849).

The spelling of 344406 in words is "three hundred forty-four thousand, four hundred six".