8868749 has 4 divisors (see below), whose sum is σ = 8875164. Its totient is φ = 8862336.

The previous prime is 8868737. The next prime is 8868767. The reversal of 8868749 is 9478688.

8868749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6002500 + 2866249 = 2450^2 + 1693^2 .

It is a cyclic number.

It is not a de Polignac number, because 8868749 - 2⁴ = 8868733 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8868697 and 8868706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8868719) 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, 182 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (2218791).

Almost surely, 2^8868749 is an apocalyptic number.

It is an amenable number.

8868749 is a deficient number, since it is larger than the sum of its proper divisors (6415).

8868749 is a wasteful number, since it uses less digits than its factorization.

8868749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414.

The product of its digits is 774144, while the sum is 50.

The square root of 8868749 is about 2978.0444926159. The cubic root of 8868749 is about 206.9922671308.

The spelling of 8868749 in words is "eight million, eight hundred sixty-eight thousand, seven hundred forty-nine".