800008491 has 8 divisors (see below), whose sum is σ = 1129423824. Its totient is φ = 501966080.

The previous prime is 800008483. The next prime is 800008513. The reversal of 800008491 is 194800008.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 800008491 - 2³ = 800008483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800008481) 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, 7843170 + ... + 7843271.

It is an arithmetic number, because the mean of its divisors is an integer number (141177978).

Almost surely, 2^800008491 is an apocalyptic number.

800008491 is a deficient number, since it is larger than the sum of its proper divisors (329415333).

800008491 is a wasteful number, since it uses less digits than its factorization.

800008491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15686461.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 800008491 is about 28284.4213481556. The cubic root of 800008491 is about 928.3210510218.

Adding to 800008491 its reverse (194800008), we get a palindrome (994808499).

The spelling of 800008491 in words is "eight hundred million, eight thousand, four hundred ninety-one".