8472999 has 4 divisors (see below), whose sum is σ = 11297336. Its totient is φ = 5648664.

The previous prime is 8472983. The next prime is 8473001. The reversal of 8472999 is 9992748.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8472999 - 2⁴ = 8472983 is a prime.

It is a Duffinian number.

8472999 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8472799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412164 + ... + 1412169.

It is an arithmetic number, because the mean of its divisors is an integer number (2824334).

Almost surely, 2^8472999 is an apocalyptic number.

8472999 is a deficient number, since it is larger than the sum of its proper divisors (2824337).

8472999 is a wasteful number, since it uses less digits than its factorization.

8472999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824336.

The product of its digits is 326592, while the sum is 48.

The square root of 8472999 is about 2910.8416308690. The cubic root of 8472999 is about 203.8664302493.

The spelling of 8472999 in words is "eight million, four hundred seventy-two thousand, nine hundred ninety-nine".