8953663 has 8 divisors (see below), whose sum is σ = 9421200. Its totient is φ = 8496768.

The previous prime is 8953643. The next prime is 8953691. The reversal of 8953663 is 3663598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8953663 - 2⁵ = 8953631 is a prime.

It is a super-2 number, since 2×8953663² = 160336162235138, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8953643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906 + ... + 4327.

It is an arithmetic number, because the mean of its divisors is an integer number (1177650).

Almost surely, 2^8953663 is an apocalyptic number.

8953663 is a deficient number, since it is larger than the sum of its proper divisors (467537).

8953663 is a wasteful number, since it uses less digits than its factorization.

8953663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321.

The product of its digits is 116640, while the sum is 40.

The square root of 8953663 is about 2992.2672006357. The cubic root of 8953663 is about 207.6507869974.

The spelling of 8953663 in words is "eight million, nine hundred fifty-three thousand, six hundred sixty-three".