344408 has 8 divisors (see below), whose sum is σ = 645780. Its totient is φ = 172200.

The previous prime is 344371. The next prime is 344417. The reversal of 344408 is 804443.

It is a tau number, because it is divible by the number of its divisors (8).

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 344408.

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 as a sum of consecutive naturals, namely, 21518 + ... + 21533.

2³⁴⁴⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

344408 is a deficient number, since it is larger than the sum of its proper divisors (301372).

344408 is a wasteful number, since it uses less digits than its factorization.

344408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43057 (or 43053 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 344408 is about 586.8628459870. The cubic root of 344408 is about 70.0956515503.

The spelling of 344408 in words is "three hundred forty-four thousand, four hundred eight".