2388389 has 4 divisors (see below), whose sum is σ = 2492256. Its totient is φ = 2284524.

The previous prime is 2388377. The next prime is 2388403. The reversal of 2388389 is 9838832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2388389 - 2²⁰ = 1339813 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 (2388329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51899 + ... + 51944.

It is an arithmetic number, because the mean of its divisors is an integer number (623064).

2^2388389 is an apocalyptic number.

It is an amenable number.

2388389 is a deficient number, since it is larger than the sum of its proper divisors (103867).

2388389 is a wasteful number, since it uses less digits than its factorization.

2388389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103866.

The product of its digits is 82944, while the sum is 41.

The square root of 2388389 is about 1545.4413609063. The cubic root of 2388389 is about 133.6703301698.

The spelling of 2388389 in words is "two million, three hundred eighty-eight thousand, three hundred eighty-nine".