855981298 has 8 divisors (see below), whose sum is σ = 1284399792. Its totient is φ = 427848036.

The previous prime is 855981289. The next prime is 855981299. The reversal of 855981298 is 892189558.

It is a happy number.

855981298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (855981299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63640 + ... + 75907.

It is an arithmetic number, because the mean of its divisors is an integer number (160549974).

Almost surely, 2^855981298 is an apocalyptic number.

855981298 is a deficient number, since it is larger than the sum of its proper divisors (428418494).

855981298 is a wasteful number, since it uses less digits than its factorization.

855981298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142616.

The product of its digits is 2073600, while the sum is 55.

The square root of 855981298 is about 29257.1580643097. The cubic root of 855981298 is about 949.4849647800.

The spelling of 855981298 in words is "eight hundred fifty-five million, nine hundred eighty-one thousand, two hundred ninety-eight".