9913982 has 16 divisors (see below), whose sum is σ = 16184112. Its totient is φ = 4527360.

The previous prime is 9913979. The next prime is 9913987. The reversal of 9913982 is 2893199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557 + ... + 4487.

It is an arithmetic number, because the mean of its divisors is an integer number (1011507).

Almost surely, 2^9913982 is an apocalyptic number.

9913982 is a deficient number, since it is larger than the sum of its proper divisors (6270130).

9913982 is a wasteful number, since it uses less digits than its factorization.

9913982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043.

The product of its digits is 34992, while the sum is 41.

The square root of 9913982 is about 3148.6476462126. The cubic root of 9913982 is about 214.8239554052.

The spelling of 9913982 in words is "nine million, nine hundred thirteen thousand, nine hundred eighty-two".