344438 has 4 divisors (see below), whose sum is σ = 516660. Its totient is φ = 172218.

The previous prime is 344429. The next prime is 344453. The reversal of 344438 is 834443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 834443 = 827 ⋅1009.

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 344438.

It is an unprimeable number.

344438 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, 86108 + ... + 86111.

It is an arithmetic number, because the mean of its divisors is an integer number (129165).

2³⁴⁴⁴³⁸ is an apocalyptic number.

344438 is a deficient number, since it is larger than the sum of its proper divisors (172222).

344438 is a wasteful number, since it uses less digits than its factorization.

344438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172221.

The product of its digits is 4608, while the sum is 26.

The square root of 344438 is about 586.8884050652. Note that the first 3 decimals coincide. The cubic root of 344438 is about 70.0976867416.

The spelling of 344438 in words is "three hundred forty-four thousand, four hundred thirty-eight".