344620 has 12 divisors (see below), whose sum is σ = 723744. Its totient is φ = 137840.

The previous prime is 344611. The next prime is 344621. The reversal of 344620 is 26443.

It is not an unprimeable number, because it can be changed into a prime (344621) by changing a digit.

344620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8596 + ... + 8635.

It is an arithmetic number, because the mean of its divisors is an integer number (60312).

2³⁴⁴⁶²⁰ is an apocalyptic number.

It is an amenable number.

344620 is an abundant number, since it is smaller than the sum of its proper divisors (379124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344620 is a wasteful number, since it uses less digits than its factorization.

344620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17240 (or 17238 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 344620 is about 587.0434396192. The cubic root of 344620 is about 70.1100310363.

It can be divided in two parts, 34 and 4620, that multiplied together give a triangular number (157080 = T₅₆₀).

The spelling of 344620 in words is "three hundred forty-four thousand, six hundred twenty".