344664 has 24 divisors (see below), whose sum is σ = 933660. Its totient is φ = 114864.

The previous prime is 344653. The next prime is 344671. The reversal of 344664 is 466443.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 344664.

It is an unprimeable number.

344664 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 5 ways as a sum of consecutive naturals, for example, 2322 + ... + 2465.

2³⁴⁴⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

344664 is an abundant number, since it is smaller than the sum of its proper divisors (588996).

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

344664 is a wasteful number, since it uses less digits than its factorization.

344664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799 (or 4792 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 344664 is about 587.0809143551. The cubic root of 344664 is about 70.1130147189.

The spelling of 344664 in words is "three hundred forty-four thousand, six hundred sixty-four".