800917194 has 64 divisors (see below), whose sum is σ = 2004774912. Its totient is φ = 207230400.

The previous prime is 800917189. The next prime is 800917213. The reversal of 800917194 is 491719008.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 122004 + ... + 128400.

It is an arithmetic number, because the mean of its divisors is an integer number (31324608).

Almost surely, 2^800917194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800917194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002387456).

800917194 is an abundant number, since it is smaller than the sum of its proper divisors (1203857718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800917194 is a wasteful number, since it uses less digits than its factorization.

800917194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 800917194 is about 28300.4804552856. The cubic root of 800917194 is about 928.6724010143.

The spelling of 800917194 in words is "eight hundred million, nine hundred seventeen thousand, one hundred ninety-four".