855421298 has 8 divisors (see below), whose sum is σ = 1283266992. Its totient is φ = 427665636.

The previous prime is 855421297. The next prime is 855421331. The reversal of 855421298 is 892124558.

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 (855421297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11561 + ... + 42947.

It is an arithmetic number, because the mean of its divisors is an integer number (160408374).

Almost surely, 2^855421298 is an apocalyptic number.

855421298 is a deficient number, since it is larger than the sum of its proper divisors (427845694).

855421298 is a wasteful number, since it uses less digits than its factorization.

855421298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45016.

The product of its digits is 230400, while the sum is 44.

The square root of 855421298 is about 29247.5861910004. The cubic root of 855421298 is about 949.2778622901.

The spelling of 855421298 in words is "eight hundred fifty-five million, four hundred twenty-one thousand, two hundred ninety-eight".