8499663 has 24 divisors (see below), whose sum is σ = 12703392. Its totient is φ = 5473728.

The previous prime is 8499661. The next prime is 8499683. The reversal of 8499663 is 3669948.

8499663 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8499663 - 2¹ = 8499661 is a prime.

It is a super-2 number, since 2×8499663² = 144488542227138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49045 + ... + 49217.

It is an arithmetic number, because the mean of its divisors is an integer number (529308).

Almost surely, 2^8499663 is an apocalyptic number.

8499663 is a deficient number, since it is larger than the sum of its proper divisors (4203729).

8499663 is a wasteful number, since it uses less digits than its factorization.

8499663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 332 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 8499663 is about 2915.4181518266. The cubic root of 8499663 is about 204.0800579666.

The spelling of 8499663 in words is "eight million, four hundred ninety-nine thousand, six hundred sixty-three".