344920 has 16 divisors (see below), whose sum is σ = 776160. Its totient is φ = 137952.

The previous prime is 344917. The next prime is 344921. The reversal of 344920 is 29443.

It is a junction number, because it is equal to n+sod(n) for n = 344891 and 344900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344921) 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, 4272 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

2³⁴⁴⁹²⁰ is an apocalyptic number.

It is an amenable number.

344920 is an abundant number, since it is smaller than the sum of its proper divisors (431240).

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

344920 is a wasteful number, since it uses less digits than its factorization.

344920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634 (or 8630 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 344920 is about 587.2989017528. The cubic root of 344920 is about 70.1303692920.

The spelling of 344920 in words is "three hundred forty-four thousand, nine hundred twenty".