9990383 has 4 divisors (see below), whose sum is σ = 10758888. Its totient is φ = 9221880.

The previous prime is 9990359. The next prime is 9990389. The reversal of 9990383 is 3830999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9990383 - 2¹² = 9986287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9990383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9990389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384233 + ... + 384258.

It is an arithmetic number, because the mean of its divisors is an integer number (2689722).

Almost surely, 2^9990383 is an apocalyptic number.

9990383 is a deficient number, since it is larger than the sum of its proper divisors (768505).

9990383 is a wasteful number, since it uses less digits than its factorization.

9990383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768504.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 9990383 is about 3160.7567131939. The cubic root of 9990383 is about 215.3743828570.

The spelling of 9990383 in words is "nine million, nine hundred ninety thousand, three hundred eighty-three".