800009329 has 6 divisors (see below), whose sum is σ = 930623154. Its totient is φ = 685722240.

The previous prime is 800009323. The next prime is 800009333. The reversal of 800009329 is 923900008.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 629759025 + 170250304 = 25095^2 + 13048^2 .

It is not a de Polignac number, because 800009329 - 2⁵ = 800009297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 800009329.

It is not an unprimeable number, because it can be changed into a prime (800009323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8163312 + ... + 8163409.

It is an arithmetic number, because the mean of its divisors is an integer number (155103859).

Almost surely, 2^800009329 is an apocalyptic number.

It is an amenable number.

800009329 is a deficient number, since it is larger than the sum of its proper divisors (130613825).

800009329 is a wasteful number, since it uses less digits than its factorization.

800009329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16326735 (or 16326728 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 800009329 is about 28284.4361619602. The cubic root of 800009329 is about 928.3213751570.

The spelling of 800009329 in words is "eight hundred million, nine thousand, three hundred twenty-nine".