2398887 has 12 divisors (see below), whose sum is σ = 3669120. Its totient is φ = 1505088.

The previous prime is 2398867. The next prime is 2398889. The reversal of 2398887 is 7888932.

2398887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2398887 - 2¹¹ = 2396839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398889) 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, 7687 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (305760).

2^2398887 is an apocalyptic number.

2398887 is a deficient number, since it is larger than the sum of its proper divisors (1270233).

2398887 is a wasteful number, since it uses less digits than its factorization.

2398887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15702 (or 15699 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2398887 is about 1548.8340776210. The cubic root of 2398887 is about 133.8658901809.

Adding to 2398887 its sum of digits (45), we get a palindrome (2398932).

The spelling of 2398887 in words is "two million, three hundred ninety-eight thousand, eight hundred eighty-seven".