804835857 has 16 divisors (see below), whose sum is σ = 1265979392. Its totient is φ = 445070160.

The previous prime is 804835853. The next prime is 804835873. The reversal of 804835857 is 758538408.

It is not a de Polignac number, because 804835857 - 2² = 804835853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804835853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617503 + ... + 618804.

It is an arithmetic number, because the mean of its divisors is an integer number (79123712).

Almost surely, 2^804835857 is an apocalyptic number.

It is an amenable number.

804835857 is a deficient number, since it is larger than the sum of its proper divisors (461143535).

804835857 is a wasteful number, since it uses less digits than its factorization.

804835857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236348.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 804835857 is about 28369.6291304627. The cubic root of 804835857 is about 930.1845153604.

The spelling of 804835857 in words is "eight hundred four million, eight hundred thirty-five thousand, eight hundred fifty-seven".