344518 has 4 divisors (see below), whose sum is σ = 516780. Its totient is φ = 172258.

The previous prime is 344497. The next prime is 344543. The reversal of 344518 is 815443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 815443 = 37 ⋅22039.

It is a junction number, because it is equal to n+sod(n) for n = 344492 and 344501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86128 + ... + 86131.

It is an arithmetic number, because the mean of its divisors is an integer number (129195).

2³⁴⁴⁵¹⁸ is an apocalyptic number.

344518 is a deficient number, since it is larger than the sum of its proper divisors (172262).

344518 is a wasteful number, since it uses less digits than its factorization.

344518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172261.

The product of its digits is 1920, while the sum is 25.

The square root of 344518 is about 586.9565571659. The cubic root of 344518 is about 70.1031133407.

It can be divided in two parts, 3 and 44518, that added together give a square (44521 = 211²).

The spelling of 344518 in words is "three hundred forty-four thousand, five hundred eighteen".