344425146 has 16 divisors (see below), whose sum is σ = 741838944. Its totient is φ = 105976944.

The previous prime is 344425079. The next prime is 344425153. The reversal of 344425146 is 641524443.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2207776 + ... + 2207931.

It is an arithmetic number, because the mean of its divisors is an integer number (46364934).

Almost surely, 2^344425146 is an apocalyptic number.

344425146 is an abundant number, since it is smaller than the sum of its proper divisors (397413798).

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

344425146 is a wasteful number, since it uses less digits than its factorization.

344425146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415725.

The product of its digits is 46080, while the sum is 33.

The square root of 344425146 is about 18558.6946200426. The cubic root of 344425146 is about 700.9681474440.

Adding to 344425146 its reverse (641524443), we get a palindrome (985949589).

The spelling of 344425146 in words is "three hundred forty-four million, four hundred twenty-five thousand, one hundred forty-six".