9983955 has 32 divisors (see below), whose sum is σ = 17081856. Its totient is φ = 4967424.

The previous prime is 9983929. The next prime is 9983959. The reversal of 9983955 is 5593899.

It is not a de Polignac number, because 9983955 - 2¹² = 9979859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9983959) 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 31 ways as a sum of consecutive naturals, for example, 14499 + ... + 15171.

It is an arithmetic number, because the mean of its divisors is an integer number (533808).

Almost surely, 2^9983955 is an apocalyptic number.

9983955 is a deficient number, since it is larger than the sum of its proper divisors (7097901).

9983955 is a wasteful number, since it uses less digits than its factorization.

9983955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747.

The product of its digits is 437400, while the sum is 48.

The square root of 9983955 is about 3159.7397044693. The cubic root of 9983955 is about 215.3281809726.

The spelling of 9983955 in words is "nine million, nine hundred eighty-three thousand, nine hundred fifty-five".