9983812 has 12 divisors (see below), whose sum is σ = 17504956. Its totient is φ = 4982400.

The previous prime is 9983791. The next prime is 9983837. The reversal of 9983812 is 2183899.

It can be written as a sum of positive squares in 2 ways, for example, as 3511876 + 6471936 = 1874^2 + 2544^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328 + ... + 4480.

Almost surely, 2^9983812 is an apocalyptic number.

It is an amenable number.

9983812 is a deficient number, since it is larger than the sum of its proper divisors (7521144).

9983812 is a wasteful number, since it uses less digits than its factorization.

9983812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4756 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 9983812 is about 3159.7170759421. The cubic root of 9983812 is about 215.3271529206.

The spelling of 9983812 in words is "nine million, nine hundred eighty-three thousand, eight hundred twelve".