9923216 has 10 divisors (see below), whose sum is σ = 19226262. Its totient is φ = 4961600.

The previous prime is 9923213. The next prime is 9923219. The reversal of 9923216 is 6123299.

It is an interprime number because it is at equal distance from previous prime (9923213) and next prime (9923219).

It can be written as a sum of positive squares in only one way, i.e., 9120400 + 802816 = 3020^2 + 896^2 .

It is a super-3 number, since 3×9923216³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9923213) by changing a digit.

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, 310085 + ... + 310116.

Almost surely, 2^9923216 is an apocalyptic number.

It is an amenable number.

9923216 is a deficient number, since it is larger than the sum of its proper divisors (9303046).

9923216 is a wasteful number, since it uses less digits than its factorization.

9923216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620209 (or 620203 counting only the distinct ones).

The product of its digits is 5832, while the sum is 32.

The square root of 9923216 is about 3150.1136487435. The cubic root of 9923216 is about 214.8906312322.

The spelling of 9923216 in words is "nine million, nine hundred twenty-three thousand, two hundred sixteen".