8481663 has 12 divisors (see below), whose sum is σ = 12459720. Its totient is φ = 5558256.

The previous prime is 8481661. The next prime is 8481673. The reversal of 8481663 is 3661848.

It is a happy number.

It is not a de Polignac number, because 8481663 - 2¹ = 8481661 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7456 + ... + 8517.

It is an arithmetic number, because the mean of its divisors is an integer number (1038310).

Almost surely, 2^8481663 is an apocalyptic number.

8481663 is a deficient number, since it is larger than the sum of its proper divisors (3978057).

8481663 is a wasteful number, since it uses less digits than its factorization.

8481663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16038 (or 16035 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8481663 is about 2912.3294799868. The cubic root of 8481663 is about 203.9358939286.

It can be divided in two parts, 8 and 481663, that added together give a triangular number (481671 = T₉₈₁).

The spelling of 8481663 in words is "eight million, four hundred eighty-one thousand, six hundred sixty-three".