344442856 has 8 divisors (see below), whose sum is σ = 645830370. Its totient is φ = 172221424.

The previous prime is 344442851. The next prime is 344442863. The reversal of 344442856 is 658244443.

It can be written as a sum of positive squares in only one way, i.e., 326380356 + 18062500 = 18066^2 + 4250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (344442851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21527671 + ... + 21527686.

Almost surely, 2^344442856 is an apocalyptic number.

It is an amenable number.

344442856 is a deficient number, since it is larger than the sum of its proper divisors (301387514).

344442856 is a wasteful number, since it uses less digits than its factorization.

344442856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43055363 (or 43055359 counting only the distinct ones).

The product of its digits is 368640, while the sum is 40.

The square root of 344442856 is about 18559.1717487608. The cubic root of 344442856 is about 700.9801616008.

The spelling of 344442856 in words is "three hundred forty-four million, four hundred forty-two thousand, eight hundred fifty-six".