8663828 has 6 divisors (see below), whose sum is σ = 15161706. Its totient is φ = 4331912.

The previous prime is 8663827. The next prime is 8663861. The reversal of 8663828 is 8283668.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 8464 = 2942^2 + 92^2 .

It is a super-2 number, since 2×8663828² = 150123831227168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082975 + ... + 1082982.

It is an arithmetic number, because the mean of its divisors is an integer number (2526951).

Almost surely, 2^8663828 is an apocalyptic number.

It is an amenable number.

8663828 is a deficient number, since it is larger than the sum of its proper divisors (6497878).

8663828 is a wasteful number, since it uses less digits than its factorization.

8663828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165961 (or 2165959 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 8663828 is about 2943.4381257298. The cubic root of 8663828 is about 205.3855761354.

The spelling of 8663828 in words is "eight million, six hundred sixty-three thousand, eight hundred twenty-eight".