344443816 has 16 divisors (see below), whose sum is σ = 646053300. Its totient is φ = 172162944.

The previous prime is 344443769. The next prime is 344443831. The reversal of 344443816 is 618344443.

It can be written as a sum of positive squares in 2 ways, for example, as 311381316 + 33062500 = 17646^2 + 5750^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26740 + ... + 37468.

Almost surely, 2^344443816 is an apocalyptic number.

It is an amenable number.

344443816 is a deficient number, since it is larger than the sum of its proper divisors (301609484).

344443816 is a wasteful number, since it uses less digits than its factorization.

344443816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14748 (or 14744 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 344443816 is about 18559.1976119659. The cubic root of 344443816 is about 700.9808128364.

The spelling of 344443816 in words is "three hundred forty-four million, four hundred forty-three thousand, eight hundred sixteen".