8868289 has 4 divisors (see below), whose sum is σ = 9057024. Its totient is φ = 8679556.

The previous prime is 8868253. The next prime is 8868319. The reversal of 8868289 is 9828688.

8868289 = T₂₄₃₀ + T₂₄₃₁ + T₂₄₃₂.

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 8868289 - 2⁷ = 8868161 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8868089) 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, 94297 + ... + 94390.

It is an arithmetic number, because the mean of its divisors is an integer number (2264256).

Almost surely, 2^8868289 is an apocalyptic number.

8868289 is the 2432-nd centered triangular number.

It is an amenable number.

8868289 is a deficient number, since it is larger than the sum of its proper divisors (188735).

8868289 is a wasteful number, since it uses less digits than its factorization.

8868289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188734.

The product of its digits is 442368, while the sum is 49.

The square root of 8868289 is about 2977.9672597260. The cubic root of 8868289 is about 206.9886883439.

The spelling of 8868289 in words is "eight million, eight hundred sixty-eight thousand, two hundred eighty-nine".