8663351 has 4 divisors (see below), whose sum is σ = 8677272. Its totient is φ = 8649432.

The previous prime is 8663311. The next prime is 8663357. The reversal of 8663351 is 1533668.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8663351 - 2¹⁰ = 8662327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8663357) 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, 5981 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (2169318).

Almost surely, 2^8663351 is an apocalyptic number.

8663351 is a deficient number, since it is larger than the sum of its proper divisors (13921).

8663351 is a wasteful number, since it uses less digits than its factorization.

8663351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13920.

The product of its digits is 12960, while the sum is 32.

The square root of 8663351 is about 2943.3570969218. The cubic root of 8663351 is about 205.3818067963.

The spelling of 8663351 in words is "eight million, six hundred sixty-three thousand, three hundred fifty-one".