344965 has 4 divisors (see below), whose sum is σ = 413964. Its totient is φ = 275968.

The previous prime is 344963. The next prime is 344969. The reversal of 344965 is 569443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569443 = 7 ⋅81349.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 263169 = 286^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 344965 - 2¹ = 344963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344963) 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, 34492 + ... + 34501.

It is an arithmetic number, because the mean of its divisors is an integer number (103491).

2³⁴⁴⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

344965 is a deficient number, since it is larger than the sum of its proper divisors (68999).

344965 is an equidigital number, since it uses as much as digits as its factorization.

344965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68998.

The product of its digits is 12960, while the sum is 31.

The square root of 344965 is about 587.3372114893. The cubic root of 344965 is about 70.1334190131.

The spelling of 344965 in words is "three hundred forty-four thousand, nine hundred sixty-five".