344657812 has 12 divisors (see below), whose sum is σ = 619452820. Its totient is φ = 167671296.

The previous prime is 344657801. The next prime is 344657821. The reversal of 344657812 is 218756443.

344657812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 190550416 + 154107396 = 13804^2 + 12414^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1164237 + ... + 1164532.

Almost surely, 2^344657812 is an apocalyptic number.

It is an amenable number.

344657812 is a deficient number, since it is larger than the sum of its proper divisors (274795008).

344657812 is a wasteful number, since it uses less digits than its factorization.

344657812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328810 (or 2328808 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 344657812 is about 18564.9619444803. The cubic root of 344657812 is about 701.1259511998.

The spelling of 344657812 in words is "three hundred forty-four million, six hundred fifty-seven thousand, eight hundred twelve".