2868399 has 32 divisors (see below), whose sum is σ = 4608000. Its totient is φ = 1758240.

The previous prime is 2868367. The next prime is 2868407. The reversal of 2868399 is 9938682.

It is not a de Polignac number, because 2868399 - 2⁵ = 2868367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868799) 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 31 ways as a sum of consecutive naturals, for example, 19177 + ... + 19325.

It is an arithmetic number, because the mean of its divisors is an integer number (144000).

2^2868399 is an apocalyptic number.

2868399 is a deficient number, since it is larger than the sum of its proper divisors (1739601).

2868399 is a wasteful number, since it uses less digits than its factorization.

2868399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 2868399 is about 1693.6348484842. The cubic root of 2868399 is about 142.0844402888.

It can be divided in two parts, 28683 and 99, that added together give a palindrome (28782).

The spelling of 2868399 in words is "two million, eight hundred sixty-eight thousand, three hundred ninety-nine".