8368189 has 4 divisors (see below), whose sum is σ = 8808640. Its totient is φ = 7927740.

The previous prime is 8368169. The next prime is 8368193. The reversal of 8368189 is 9818638.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9818638 = 2 ⋅4909319.

It is a cyclic number.

It is not a de Polignac number, because 8368189 - 2⁹ = 8367677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8368169) 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, 220197 + ... + 220234.

It is an arithmetic number, because the mean of its divisors is an integer number (2202160).

Almost surely, 2^8368189 is an apocalyptic number.

It is an amenable number.

8368189 is a deficient number, since it is larger than the sum of its proper divisors (440451).

8368189 is a wasteful number, since it uses less digits than its factorization.

8368189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440450.

The product of its digits is 82944, while the sum is 43.

The square root of 8368189 is about 2892.7822247795. The cubic root of 8368189 is about 203.0223389396.

It can be divided in two parts, 836 and 8189, that added together give a square (9025 = 95²).

The spelling of 8368189 in words is "eight million, three hundred sixty-eight thousand, one hundred eighty-nine".