808489491 has 8 divisors (see below), whose sum is σ = 1124855040. Its totient is φ = 515558472.

The previous prime is 808489477. The next prime is 808489499. The reversal of 808489491 is 194984808.

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

It is not a de Polignac number, because 808489491 - 2⁵ = 808489459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (808489499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5858551 + ... + 5858688.

It is an arithmetic number, because the mean of its divisors is an integer number (140606880).

Almost surely, 2^808489491 is an apocalyptic number.

808489491 is a deficient number, since it is larger than the sum of its proper divisors (316365549).

808489491 is a wasteful number, since it uses less digits than its factorization.

808489491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11717265.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 808489491 is about 28433.9496201284. The cubic root of 808489491 is about 931.5899464512.

The spelling of 808489491 in words is "eight hundred eight million, four hundred eighty-nine thousand, four hundred ninety-one".