8670663 has 12 divisors (see below), whose sum is σ = 13261248. Its totient is φ = 5440320.

The previous prime is 8670653. The next prime is 8670667. The reversal of 8670663 is 3660768.

It is a happy number.

It is not a de Polignac number, because 8670663 - 2⁸ = 8670407 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

8670663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8670667) 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 11 ways as a sum of consecutive naturals, for example, 28183 + ... + 28488.

It is an arithmetic number, because the mean of its divisors is an integer number (1105104).

Almost surely, 2^8670663 is an apocalyptic number.

8670663 is a deficient number, since it is larger than the sum of its proper divisors (4590585).

8670663 is a wasteful number, since it uses less digits than its factorization.

8670663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56694 (or 56691 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 8670663 is about 2944.5989540173. The cubic root of 8670663 is about 205.4395723371.

The spelling of 8670663 in words is "eight million, six hundred seventy thousand, six hundred sixty-three".