9983564 has 12 divisors (see below), whose sum is σ = 18231024. Its totient is φ = 4774704.

The previous prime is 9983551. The next prime is 9983579. The reversal of 9983564 is 4653899.

It is a d-powerful number, because it can be written as 9⁵ + 9⁷ + 8³ + 3¹⁴ + 5⁷ + 6⁷ + 4 .

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, 54167 + ... + 54350.

It is an arithmetic number, because the mean of its divisors is an integer number (1519252).

Almost surely, 2^9983564 is an apocalyptic number.

It is an amenable number.

9983564 is a deficient number, since it is larger than the sum of its proper divisors (8247460).

9983564 is a wasteful number, since it uses less digits than its factorization.

9983564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108544 (or 108542 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 9983564 is about 3159.6778316784. The cubic root of 9983564 is about 215.3253699818.

It can be divided in two parts, 99835 and 64, that added together give a palindrome (99899).

The spelling of 9983564 in words is "nine million, nine hundred eighty-three thousand, five hundred sixty-four".