8189994 has 16 divisors (see below), whose sum is σ = 16534368. Its totient is φ = 2704272.

The previous prime is 8189981. The next prime is 8189999. The reversal of 8189994 is 4999818.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8189999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5737 + ... + 7020.

It is an arithmetic number, because the mean of its divisors is an integer number (1033398).

Almost surely, 2^8189994 is an apocalyptic number.

8189994 is an abundant number, since it is smaller than the sum of its proper divisors (8344374).

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

8189994 is a wasteful number, since it uses less digits than its factorization.

8189994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12869.

The product of its digits is 186624, while the sum is 48.

The square root of 8189994 is about 2861.8165559658. The cubic root of 8189994 is about 201.5709122022.

The spelling of 8189994 in words is "eight million, one hundred eighty-nine thousand, nine hundred ninety-four".