2388986389 has 16 divisors (see below), whose sum is σ = 2536585920. Its totient is φ = 2246065920.

The previous prime is 2388986381. The next prime is 2388986407. The reversal of 2388986389 is 9836898832.

It is a cyclic number.

It is not a de Polignac number, because 2388986389 - 2³ = 2388986381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2388986389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2388986381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429949 + ... + 435469.

It is an arithmetic number, because the mean of its divisors is an integer number (158536620).

Almost surely, 2^2388986389 is an apocalyptic number.

2388986389 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2388986389 is a deficient number, since it is larger than the sum of its proper divisors (147599531).

2388986389 is a wasteful number, since it uses less digits than its factorization.

2388986389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940.

The product of its digits is 35831808, while the sum is 64.

The square root of 2388986389 is about 48877.2584030651. The cubic root of 2388986389 is about 1336.8147387769.

The spelling of 2388986389 in words is "two billion, three hundred eighty-eight million, nine hundred eighty-six thousand, three hundred eighty-nine".