344643 has 8 divisors (see below), whose sum is σ = 494928. Its totient is φ = 212064.

The previous prime is 344639. The next prime is 344653. The reversal of 344643 is 346443.

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

It is not a de Polignac number, because 344643 - 2² = 344639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4380 + ... + 4457.

It is an arithmetic number, because the mean of its divisors is an integer number (61866).

2³⁴⁴⁶⁴³ is an apocalyptic number.

344643 is a deficient number, since it is larger than the sum of its proper divisors (150285).

344643 is a wasteful number, since it uses less digits than its factorization.

344643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853.

The product of its digits is 3456, while the sum is 24.

The square root of 344643 is about 587.0630289841. The cubic root of 344643 is about 70.1115907203. Note that the first 3 decimals are identical.

The spelling of 344643 in words is "three hundred forty-four thousand, six hundred forty-three".