804068401 has 4 divisors (see below), whose sum is σ = 804132900. Its totient is φ = 804003904.

The previous prime is 804068387. The next prime is 804068411. The reversal of 804068401 is 104860408.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 186595600 + 617472801 = 13660^2 + 24849^2 .

It is a cyclic number.

It is not a de Polignac number, because 804068401 - 2⁹ = 804067889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804068411) 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 3 ways as a sum of consecutive naturals, for example, 6916 + ... + 40693.

It is an arithmetic number, because the mean of its divisors is an integer number (201033225).

Almost surely, 2^804068401 is an apocalyptic number.

It is an amenable number.

804068401 is a deficient number, since it is larger than the sum of its proper divisors (64499).

804068401 is a wasteful number, since it uses less digits than its factorization.

804068401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64498.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 804068401 is about 28356.0998904998. The cubic root of 804068401 is about 929.8887603489. Note that the first 3 decimals are identical.

The spelling of 804068401 in words is "eight hundred four million, sixty-eight thousand, four hundred one".