2388989 has 8 divisors (see below), whose sum is σ = 2449440. Its totient is φ = 2329456.

The previous prime is 2388983. The next prime is 2389001. The reversal of 2388989 is 9898832.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2388989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2388983) 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, 8747 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (306180).

2^2388989 is an apocalyptic number.

It is an amenable number.

2388989 is a deficient number, since it is larger than the sum of its proper divisors (60451).

2388989 is a wasteful number, since it uses less digits than its factorization.

2388989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 248832, while the sum is 47.

The square root of 2388989 is about 1545.6354680195. The cubic root of 2388989 is about 133.6815225793.

The spelling of 2388989 in words is "two million, three hundred eighty-eight thousand, nine hundred eighty-nine".