8663000 has 32 divisors (see below), whose sum is σ = 20273760. Its totient is φ = 3464800.

The previous prime is 8662991. The next prime is 8663003. The reversal of 8663000 is 3668.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (633555).

Almost surely, 2^8663000 is an apocalyptic number.

It is an amenable number.

8663000 is an abundant number, since it is smaller than the sum of its proper divisors (11610760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8663000 is a wasteful number, since it uses less digits than its factorization.

8663000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684 (or 8670 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 8663000 is about 2943.2974705252. The cubic root of 8663000 is about 205.3790330432.

Adding to 8663000 its reverse (3668), we get a palindrome (8666668).

The spelling of 8663000 in words is "eight million, six hundred sixty-three thousand".