804616897 has 12 divisors (see below), whose sum is σ = 936524820. Its totient is φ = 689272416.

The previous prime is 804616867. The next prime is 804616927. The reversal of 804616897 is 798616408.

It is an interprime number because it is at equal distance from previous prime (804616867) and next prime (804616927).

It can be written as a sum of positive squares in 2 ways, for example, as 240839361 + 563777536 = 15519^2 + 23744^2 .

It is not a de Polignac number, because 804616897 - 2¹¹ = 804614849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 804616897.

It is not an unprimeable number, because it can be changed into a prime (804616867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107563 + ... + 114799.

It is an arithmetic number, because the mean of its divisors is an integer number (78043735).

Almost surely, 2^804616897 is an apocalyptic number.

It is an amenable number.

804616897 is a deficient number, since it is larger than the sum of its proper divisors (131907923).

804616897 is a wasteful number, since it uses less digits than its factorization.

804616897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520 (or 9513 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 804616897 is about 28365.7698115175. The cubic root of 804616897 is about 930.1001537801.

The spelling of 804616897 in words is "eight hundred four million, six hundred sixteen thousand, eight hundred ninety-seven".