804489161 has 8 divisors (see below), whose sum is σ = 922737600. Its totient is φ = 687071088.

The previous prime is 804489109. The next prime is 804489163. The reversal of 804489161 is 161984408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804489161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804489163) 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 7 ways as a sum of consecutive naturals, for example, 205511 + ... + 209388.

It is an arithmetic number, because the mean of its divisors is an integer number (115342200).

Almost surely, 2^804489161 is an apocalyptic number.

It is an amenable number.

804489161 is a deficient number, since it is larger than the sum of its proper divisors (118248439).

804489161 is a wasteful number, since it uses less digits than its factorization.

804489161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415183.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 804489161 is about 28363.5181350974. The cubic root of 804489161 is about 930.0509321935.

The spelling of 804489161 in words is "eight hundred four million, four hundred eighty-nine thousand, one hundred sixty-one".