8399994 has 8 divisors (see below), whose sum is σ = 16800000. Its totient is φ = 2799996.

The previous prime is 8399987. The next prime is 8400011. The reversal of 8399994 is 4999938.

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

8399994 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699994 + ... + 700005.

It is an arithmetic number, because the mean of its divisors is an integer number (2100000).

Almost surely, 2^8399994 is an apocalyptic number.

8399994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8399994 is a wasteful number, since it uses less digits than its factorization.

8399994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400004.

The product of its digits is 629856, while the sum is 51.

The square root of 8399994 is about 2898.2743141394. The cubic root of 8399994 is about 203.2792229631.

The spelling of 8399994 in words is "eight million, three hundred ninety-nine thousand, nine hundred ninety-four".