344323146 has 8 divisors (see below), whose sum is σ = 688646304. Its totient is φ = 114774380.

The previous prime is 344323141. The next prime is 344323153. The reversal of 344323146 is 641323443.

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

344323146 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (344323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28693590 + ... + 28693601.

It is an arithmetic number, because the mean of its divisors is an integer number (86080788).

Almost surely, 2^344323146 is an apocalyptic number.

344323146 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.

344323146 is a wasteful number, since it uses less digits than its factorization.

344323146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57387196.

The product of its digits is 20736, while the sum is 30.

The square root of 344323146 is about 18555.9463784524. The cubic root of 344323146 is about 700.8989443955.

Adding to 344323146 its reverse (641323443), we get a palindrome (985646589).

The spelling of 344323146 in words is "three hundred forty-four million, three hundred twenty-three thousand, one hundred forty-six".