8263664 has 20 divisors (see below), whose sum is σ = 16085280. Its totient is φ = 4112640.

The previous prime is 8263663. The next prime is 8263667. The reversal of 8263664 is 4663628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8263663) 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, 2744 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (804264).

Almost surely, 2^8263664 is an apocalyptic number.

It is an amenable number.

8263664 is a deficient number, since it is larger than the sum of its proper divisors (7821616).

8263664 is a wasteful number, since it uses less digits than its factorization.

8263664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408 (or 2402 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 8263664 is about 2874.6589362914. The cubic root of 8263664 is about 202.1734940534.

The spelling of 8263664 in words is "eight million, two hundred sixty-three thousand, six hundred sixty-four".