9213808 has 10 divisors (see below), whose sum is σ = 17851784. Its totient is φ = 4606896.

The previous prime is 9213797. The next prime is 9213821. The reversal of 9213808 is 8083129.

It is a self number, because there is not a number n which added to its sum of digits gives 9213808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287916 + ... + 287947.

Almost surely, 2^9213808 is an apocalyptic number.

It is an amenable number.

9213808 is a deficient number, since it is larger than the sum of its proper divisors (8637976).

9213808 is a wasteful number, since it uses less digits than its factorization.

9213808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575871 (or 575865 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 9213808 is about 3035.4255055923. The cubic root of 9213808 is about 209.6426879237.

The spelling of 9213808 in words is "nine million, two hundred thirteen thousand, eight hundred eight".