4678189 has 4 divisors (see below), whose sum is σ = 4682880. Its totient is φ = 4673500.

The previous prime is 4678187. The next prime is 4678211. The reversal of 4678189 is 9818764.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4678189 - 2¹ = 4678187 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 (4678181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 3064.

It is an arithmetic number, because the mean of its divisors is an integer number (1170720).

Almost surely, 2^4678189 is an apocalyptic number.

It is an amenable number.

4678189 is a deficient number, since it is larger than the sum of its proper divisors (4691).

4678189 is a wasteful number, since it uses less digits than its factorization.

4678189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its digits is 96768, while the sum is 43.

The square root of 4678189 is about 2162.9121572547. The cubic root of 4678189 is about 167.2473535777.

The spelling of 4678189 in words is "four million, six hundred seventy-eight thousand, one hundred eighty-nine".