8663140 has 24 divisors (see below), whose sum is σ = 18426240. Its totient is φ = 3420768.

The previous prime is 8663119. The next prime is 8663153. The reversal of 8663140 is 413668.

It is a junction number, because it is equal to n+sod(n) for n = 8663099 and 8663108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (767760).

Almost surely, 2^8663140 is an apocalyptic number.

It is an amenable number.

8663140 is an abundant number, since it is smaller than the sum of its proper divisors (9763100).

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

8663140 is a wasteful number, since it uses less digits than its factorization.

8663140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571 (or 5569 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 8663140 is about 2943.3212532783. The cubic root of 8663140 is about 205.3801393925.

The spelling of 8663140 in words is "eight million, six hundred sixty-three thousand, one hundred forty".