854271984 has 40 divisors (see below), whose sum is σ = 2266519120. Its totient is φ = 277060608.

The previous prime is 854271983. The next prime is 854271989. The reversal of 854271984 is 489172458.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854271983) 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 7 ways as a sum of consecutive naturals, for example, 238729 + ... + 242280.

It is an arithmetic number, because the mean of its divisors is an integer number (56662978).

Almost surely, 2^854271984 is an apocalyptic number.

It is an amenable number.

854271984 is an abundant number, since it is smaller than the sum of its proper divisors (1412247136).

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

854271984 is a wasteful number, since it uses less digits than its factorization.

854271984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481057 (or 481051 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The square root of 854271984 is about 29227.9315723847. The cubic root of 854271984 is about 948.8525329533.

The spelling of 854271984 in words is "eight hundred fifty-four million, two hundred seventy-one thousand, nine hundred eighty-four".