9669663 has 12 divisors (see below), whose sum is σ = 14003808. Its totient is φ = 6429600.

The previous prime is 9669661. The next prime is 9669677. The reversal of 9669663 is 3669669.

9669663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9669663 - 2¹ = 9669661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9669661) 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, 2938 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (1166984).

Almost surely, 2^9669663 is an apocalyptic number.

9669663 is a deficient number, since it is larger than the sum of its proper divisors (4334145).

9669663 is a wasteful number, since it uses less digits than its factorization.

9669663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814 (or 2811 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 9669663 is about 3109.6081746741. The cubic root of 9669663 is about 213.0445585547.

The spelling of 9669663 in words is "nine million, six hundred sixty-nine thousand, six hundred sixty-three".