344928 has 24 divisors (see below), whose sum is σ = 905688. Its totient is φ = 114944.

The previous prime is 344921. The next prime is 344941. The reversal of 344928 is 829443.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 344895 and 344904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344921) by changing a digit.

344928 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, 1701 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (37737).

2³⁴⁴⁹²⁸ is an apocalyptic number.

It is an amenable number.

344928 is an abundant number, since it is smaller than the sum of its proper divisors (560760).

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

344928 is a wasteful number, since it uses less digits than its factorization.

344928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3598 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 344928 is about 587.3057125552. The cubic root of 344928 is about 70.1309114840.

The spelling of 344928 in words is "three hundred forty-four thousand, nine hundred twenty-eight".