854521198 has 8 divisors (see below), whose sum is σ = 1311590808. Its totient is φ = 417324264.

The previous prime is 854521193. The next prime is 854521223. The reversal of 854521198 is 891125458.

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

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854521193) 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, 4968061 + ... + 4968232.

It is an arithmetic number, because the mean of its divisors is an integer number (163948851).

Almost surely, 2^854521198 is an apocalyptic number.

854521198 is a deficient number, since it is larger than the sum of its proper divisors (457069610).

854521198 is a wasteful number, since it uses less digits than its factorization.

854521198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9936338.

The product of its digits is 115200, while the sum is 43.

The square root of 854521198 is about 29232.1945464243. The cubic root of 854521198 is about 948.9447925415.

The spelling of 854521198 in words is "eight hundred fifty-four million, five hundred twenty-one thousand, one hundred ninety-eight".