9920983 has 4 divisors (see below), whose sum is σ = 10443160. Its totient is φ = 9398808.

The previous prime is 9920957. The next prime is 9920993. The reversal of 9920983 is 3890299.

It is a happy number.

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 9920983 - 2⁵ = 9920951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261060 + ... + 261097.

It is an arithmetic number, because the mean of its divisors is an integer number (2610790).

Almost surely, 2^9920983 is an apocalyptic number.

9920983 is a deficient number, since it is larger than the sum of its proper divisors (522177).

9920983 is a wasteful number, since it uses less digits than its factorization.

9920983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522176.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 9920983 is about 3149.7591971451. The cubic root of 9920983 is about 214.8745112305.

The spelling of 9920983 in words is "nine million, nine hundred twenty thousand, nine hundred eighty-three".