344681 has 2 divisors, whose sum is σ = 344682. Its totient is φ = 344680.

The previous prime is 344671. The next prime is 344683. The reversal of 344681 is 186443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336400 + 8281 = 580^2 + 91^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344681 is a prime.

It is a super-2 number, since 2×344681² = 237609983522, which contains 22 as substring.

Together with 344683, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344681.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 344681.

It is not a weakly prime, because it can be changed into another prime (344683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172340 + 172341.

It is an arithmetic number, because the mean of its divisors is an integer number (172341).

2³⁴⁴⁶⁸¹ is an apocalyptic number.

It is an amenable number.

344681 is a deficient number, since it is larger than the sum of its proper divisors (1).

344681 is an equidigital number, since it uses as much as digits as its factorization.

344681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 344681 is about 587.0953925897. The cubic root of 344681 is about 70.1141674374.

The spelling of 344681 in words is "three hundred forty-four thousand, six hundred eighty-one".