1386897589 has 8 divisors (see below), whose sum is σ = 1729119168. Its totient is φ = 1080699360.

The previous prime is 1386897583. The next prime is 1386897607. The reversal of 1386897589 is 9857986831.

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

It is a cyclic number.

It is not a de Polignac number, because 1386897589 - 2¹¹ = 1386895541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1386897589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386897583) 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, 9005752 + ... + 9005905.

It is an arithmetic number, because the mean of its divisors is an integer number (216139896).

Almost surely, 2^1386897589 is an apocalyptic number.

It is an amenable number.

1386897589 is a deficient number, since it is larger than the sum of its proper divisors (342221579).

1386897589 is a wasteful number, since it uses less digits than its factorization.

1386897589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011675.

The product of its digits is 26127360, while the sum is 64.

The square root of 1386897589 is about 37241.0739506798. The cubic root of 1386897589 is about 1115.1881117328.

The spelling of 1386897589 in words is "one billion, three hundred eighty-six million, eight hundred ninety-seven thousand, five hundred eighty-nine".