808901 has 4 divisors (see below), whose sum is σ = 813600. Its totient is φ = 804204.

The previous prime is 808867. The next prime is 808919. The reversal of 808901 is 109808.

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 808901 - 2⁶ = 808837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808961) 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, 2081 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (203400).

2⁸⁰⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

808901 is a deficient number, since it is larger than the sum of its proper divisors (4699).

808901 is a wasteful number, since it uses less digits than its factorization.

808901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 808901 is about 899.3892372049. The cubic root of 808901 is about 93.1747974737.

The spelling of 808901 in words is "eight hundred eight thousand, nine hundred one".