2386728189 has 12 divisors (see below), whose sum is σ = 3454884576. Its totient is φ = 1587742152.

The previous prime is 2386728139. The next prime is 2386728221. The reversal of 2386728189 is 9818276832.

It is a happy number.

2386728189 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2386728189 - 2¹¹ = 2386726141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2386728109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279729 + ... + 288134.

It is an arithmetic number, because the mean of its divisors is an integer number (287907048).

Almost surely, 2^2386728189 is an apocalyptic number.

It is an amenable number.

2386728189 is a deficient number, since it is larger than the sum of its proper divisors (1068156387).

2386728189 is a wasteful number, since it uses less digits than its factorization.

2386728189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568336 (or 568333 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 2386728189 is about 48854.1522186190. The cubic root of 2386728189 is about 1336.3933959662.

The spelling of 2386728189 in words is "two billion, three hundred eighty-six million, seven hundred twenty-eight thousand, one hundred eighty-nine".