9121983 has 16 divisors (see below), whose sum is σ = 13297536. Its totient is φ = 5528160.

The previous prime is 9121963. The next prime is 9121993. The reversal of 9121983 is 3891219.

It is not a de Polignac number, because 9121983 - 2⁵ = 9121951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121963) 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 15 ways as a sum of consecutive naturals, for example, 868 + ... + 4358.

It is an arithmetic number, because the mean of its divisors is an integer number (831096).

Almost surely, 2^9121983 is an apocalyptic number.

9121983 is a deficient number, since it is larger than the sum of its proper divisors (4175553).

9121983 is a wasteful number, since it uses less digits than its factorization.

9121983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its digits is 3888, while the sum is 33.

The square root of 9121983 is about 3020.2620747213. The cubic root of 9121983 is about 208.9439270222.

The spelling of 9121983 in words is "nine million, one hundred twenty-one thousand, nine hundred eighty-three".