1386189 has 12 divisors (see below), whose sum is σ = 2288416. Its totient is φ = 792072.

The previous prime is 1386181. The next prime is 1386193. The reversal of 1386189 is 9816831.

1386189 is a `hidden beast` number, since 1 + 38 + 618 + 9 = 666.

It is not a de Polignac number, because 1386189 - 2³ = 1386181 is a prime.

It is a Duffinian number.

1386189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386181) 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 11 ways as a sum of consecutive naturals, for example, 10939 + ... + 11064.

2^1386189 is an apocalyptic number.

It is an amenable number.

1386189 is a deficient number, since it is larger than the sum of its proper divisors (902227).

1386189 is a wasteful number, since it uses less digits than its factorization.

1386189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22016 (or 22013 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1386189 is about 1177.3652789173. The cubic root of 1386189 is about 111.4998156673.

The spelling of 1386189 in words is "one million, three hundred eighty-six thousand, one hundred eighty-nine".