344644 has 6 divisors (see below), whose sum is σ = 603134. Its totient is φ = 172320.

The previous prime is 344639. The next prime is 344653. The reversal of 344644 is 446443.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 230400 + 114244 = 480^2 + 338^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 344644.

It is an unprimeable number.

344644 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 as a sum of consecutive naturals, namely, 43077 + ... + 43084.

2³⁴⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

344644 is a deficient number, since it is larger than the sum of its proper divisors (258490).

344644 is a wasteful number, since it uses less digits than its factorization.

344644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86165 (or 86163 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 344644 is about 587.0638806808. The cubic root of 344644 is about 70.1116585310. Note that the first 3 decimals are identical.

The spelling of 344644 in words is "three hundred forty-four thousand, six hundred forty-four".