9621983 has 12 divisors (see below), whose sum is σ = 11852352. Its totient is φ = 7761600.

The previous prime is 9621979. The next prime is 9622001. The reversal of 9621983 is 3891269.

It is not a de Polignac number, because 9621983 - 2² = 9621979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9621943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4943 + ... + 6608.

It is an arithmetic number, because the mean of its divisors is an integer number (987696).

Almost surely, 2^9621983 is an apocalyptic number.

9621983 is a deficient number, since it is larger than the sum of its proper divisors (2230369).

9621983 is a wasteful number, since it uses less digits than its factorization.

9621983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11582 (or 11575 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 9621983 is about 3101.9321398122. The cubic root of 9621983 is about 212.6938153296.

The spelling of 9621983 in words is "nine million, six hundred twenty-one thousand, nine hundred eighty-three".