344990 has 8 divisors (see below), whose sum is σ = 621000. Its totient is φ = 137992.

The previous prime is 344987. The next prime is 345001. The reversal of 344990 is 99443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17240 + ... + 17259.

It is an arithmetic number, because the mean of its divisors is an integer number (77625).

2³⁴⁴⁹⁹⁰ is an apocalyptic number.

344990 is a deficient number, since it is larger than the sum of its proper divisors (276010).

344990 is a wasteful number, since it uses less digits than its factorization.

344990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34506.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 344990 is about 587.3584935965. The cubic root of 344990 is about 70.1351131880.

The spelling of 344990 in words is "three hundred forty-four thousand, nine hundred ninety".