854228385 has 12 divisors (see below), whose sum is σ = 1480662612. Its totient is φ = 455588448.

The previous prime is 854228381. The next prime is 854228387. The reversal of 854228385 is 583822458.

854228385 is a `hidden beast` number, since 8 + 542 + 28 + 3 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 417752721 + 436475664 = 20439^2 + 20892^2 .

It is not a de Polignac number, because 854228385 - 2² = 854228381 is a prime.

It is a super-2 number, since 2×854228385² = 1459412267479416450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 18982853 = 854228385 / (8 + 5 + 4 + 2 + 2 + 8 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 854228385.

It is not an unprimeable number, because it can be changed into a prime (854228381) 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 11 ways as a sum of consecutive naturals, for example, 9491382 + ... + 9491471.

It is an arithmetic number, because the mean of its divisors is an integer number (123388551).

Almost surely, 2^854228385 is an apocalyptic number.

It is an amenable number.

854228385 is a deficient number, since it is larger than the sum of its proper divisors (626434227).

854228385 is a wasteful number, since it uses less digits than its factorization.

854228385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18982864 (or 18982861 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 854228385 is about 29227.1857180947. The cubic root of 854228385 is about 948.8363906605.

The spelling of 854228385 in words is "eight hundred fifty-four million, two hundred twenty-eight thousand, three hundred eighty-five".