800393172 has 24 divisors (see below), whose sum is σ = 1886840256. Its totient is φ = 264046848.

The previous prime is 800393171. The next prime is 800393177. The reversal of 800393172 is 271393008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800393171) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 342648 + ... + 344975.

It is an arithmetic number, because the mean of its divisors is an integer number (78618344).

Almost surely, 2^800393172 is an apocalyptic number.

It is an amenable number.

800393172 is an abundant number, since it is smaller than the sum of its proper divisors (1086447084).

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

800393172 is a wasteful number, since it uses less digits than its factorization.

800393172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687727 (or 687725 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 800393172 is about 28291.2207583908. The cubic root of 800393172 is about 928.4698203793.

The spelling of 800393172 in words is "eight hundred million, three hundred ninety-three thousand, one hundred seventy-two".