4189389 has 8 divisors (see below), whose sum is σ = 5607552. Its totient is φ = 2782080.

The previous prime is 4189373. The next prime is 4189403. The reversal of 4189389 is 9839814.

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

It is not a de Polignac number, because 4189389 - 2⁴ = 4189373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4189389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764 + ... + 3389.

It is an arithmetic number, because the mean of its divisors is an integer number (700944).

Almost surely, 2^4189389 is an apocalyptic number.

It is an amenable number.

4189389 is a deficient number, since it is larger than the sum of its proper divisors (1418163).

4189389 is a wasteful number, since it uses less digits than its factorization.

4189389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427.

The product of its digits is 62208, while the sum is 42.

The square root of 4189389 is about 2046.7996970881. The cubic root of 4189389 is about 161.2068762755.

The spelling of 4189389 in words is "four million, one hundred eighty-nine thousand, three hundred eighty-nine".