854531728 has 20 divisors (see below), whose sum is σ = 1659260988. Its totient is φ = 426335360.

The previous prime is 854531723. The next prime is 854531731. The reversal of 854531728 is 827135458.

It can be written as a sum of positive squares in 2 ways, for example, as 277955584 + 576576144 = 16672^2 + 24012^2 .

It is not an unprimeable number, because it can be changed into a prime (854531723) 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, 50551 + ... + 65302.

Almost surely, 2^854531728 is an apocalyptic number.

It is an amenable number.

854531728 is a deficient number, since it is larger than the sum of its proper divisors (804729260).

854531728 is a wasteful number, since it uses less digits than its factorization.

854531728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116322 (or 116316 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 854531728 is about 29232.3746555082. The cubic root of 854531728 is about 948.9486903764.

The spelling of 854531728 in words is "eight hundred fifty-four million, five hundred thirty-one thousand, seven hundred twenty-eight".