9213663 has 8 divisors (see below), whose sum is σ = 12400128. Its totient is φ = 6084824.

The previous prime is 9213647. The next prime is 9213683. The reversal of 9213663 is 3663129.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9213663 - 2⁴ = 9213647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9213663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9213683) 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, 14031 + ... + 14672.

It is an arithmetic number, because the mean of its divisors is an integer number (1550016).

Almost surely, 2^9213663 is an apocalyptic number.

9213663 is a deficient number, since it is larger than the sum of its proper divisors (3186465).

9213663 is a wasteful number, since it uses less digits than its factorization.

9213663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28813.

The product of its digits is 5832, while the sum is 30.

The square root of 9213663 is about 3035.4016208733. The cubic root of 9213663 is about 209.6415881848.

The spelling of 9213663 in words is "nine million, two hundred thirteen thousand, six hundred sixty-three".