855943344 has 60 divisors (see below), whose sum is σ = 2499612336. Its totient is φ = 272908416.

The previous prime is 855943343. The next prime is 855943357. The reversal of 855943344 is 443349558.

It is a self number, because there is not a number n which added to its sum of digits gives 855943344.

It is not an unprimeable number, because it can be changed into a prime (855943343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125907 + ... + 132530.

Almost surely, 2^855943344 is an apocalyptic number.

It is an amenable number.

855943344 is an abundant number, since it is smaller than the sum of its proper divisors (1643668992).

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

855943344 is a wasteful number, since it uses less digits than its factorization.

855943344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258474 (or 258465 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 855943344 is about 29256.5094295270. The cubic root of 855943344 is about 949.4709312628.

The spelling of 855943344 in words is "eight hundred fifty-five million, nine hundred forty-three thousand, three hundred forty-four".