8868257 has 4 divisors (see below), whose sum is σ = 8887956. Its totient is φ = 8848560.

The previous prime is 8868253. The next prime is 8868319. The reversal of 8868257 is 7528688.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 6974881 = 1376^2 + 2641^2 .

It is a cyclic number.

It is not a de Polignac number, because 8868257 - 2² = 8868253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8868253) 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, 9158 + ... + 10079.

It is an arithmetic number, because the mean of its divisors is an integer number (2221989).

Almost surely, 2^8868257 is an apocalyptic number.

It is an amenable number.

8868257 is a deficient number, since it is larger than the sum of its proper divisors (19699).

8868257 is a wasteful number, since it uses less digits than its factorization.

8868257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19698.

The product of its digits is 215040, while the sum is 44.

The square root of 8868257 is about 2977.9618869287. The cubic root of 8868257 is about 206.9884393802.

The spelling of 8868257 in words is "eight million, eight hundred sixty-eight thousand, two hundred fifty-seven".