808404001 has 4 divisors (see below), whose sum is σ = 850951600. Its totient is φ = 765856404.

The previous prime is 808403987. The next prime is 808404067. The reversal of 808404001 is 100404808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 808404001 - 2⁵ = 808403969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (808404301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21273771 + ... + 21273808.

It is an arithmetic number, because the mean of its divisors is an integer number (212737900).

Almost surely, 2^808404001 is an apocalyptic number.

It is an amenable number.

808404001 is a deficient number, since it is larger than the sum of its proper divisors (42547599).

808404001 is a wasteful number, since it uses less digits than its factorization.

808404001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42547598.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 808404001 is about 28432.4462718212. The cubic root of 808404001 is about 931.5571097301.

Adding to 808404001 its reverse (100404808), we get a palindrome (908808809).

The spelling of 808404001 in words is "eight hundred eight million, four hundred four thousand, one".