8868439 has 4 divisors (see below), whose sum is σ = 8894200. Its totient is φ = 8842680.

The previous prime is 8868401. The next prime is 8868443. The reversal of 8868439 is 9348688.

8868439 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8868439 - 2¹¹ = 8866391 is a prime.

It is a Duffinian number.

8868439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8868469) 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, 12357 + ... + 13054.

It is an arithmetic number, because the mean of its divisors is an integer number (2223550).

Almost surely, 2^8868439 is an apocalyptic number.

8868439 is a deficient number, since it is larger than the sum of its proper divisors (25761).

8868439 is a wasteful number, since it uses less digits than its factorization.

8868439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25760.

The product of its digits is 331776, while the sum is 46.

The square root of 8868439 is about 2977.9924445841. The cubic root of 8868439 is about 206.9898553532.

Subtracting 8868439 from its reverse (9348688), we obtain a square (480249 = 693²).

The spelling of 8868439 in words is "eight million, eight hundred sixty-eight thousand, four hundred thirty-nine".