344478 has 8 divisors (see below), whose sum is σ = 688968. Its totient is φ = 114824.

The previous prime is 344453. The next prime is 344479. The reversal of 344478 is 874443.

It is a sphenic number, since it is the product of 3 distinct primes.

344478 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344479) by changing a digit.

344478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28701 + ... + 28712.

It is an arithmetic number, because the mean of its divisors is an integer number (86121).

2³⁴⁴⁴⁷⁸ is an apocalyptic number.

344478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

344478 is a wasteful number, since it uses less digits than its factorization.

344478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57418.

The product of its digits is 10752, while the sum is 30.

The square root of 344478 is about 586.9224821047. The cubic root of 344478 is about 70.1004001461.

The spelling of 344478 in words is "three hundred forty-four thousand, four hundred seventy-eight".