344891 has 4 divisors (see below), whose sum is σ = 346872. Its totient is φ = 342912.

The previous prime is 344887. The next prime is 344893. The reversal of 344891 is 198443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 198443 = 7 ⋅28349.

It is a cyclic number.

It is not a de Polignac number, because 344891 - 2² = 344887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701 + ... + 1086.

It is an arithmetic number, because the mean of its divisors is an integer number (86718).

2³⁴⁴⁸⁹¹ is an apocalyptic number.

344891 is a deficient number, since it is larger than the sum of its proper divisors (1981).

344891 is a wasteful number, since it uses less digits than its factorization.

344891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its digits is 3456, while the sum is 29.

The square root of 344891 is about 587.2742119317. The cubic root of 344891 is about 70.1284037756.

The spelling of 344891 in words is "three hundred forty-four thousand, eight hundred ninety-one".