9981308 has 24 divisors (see below), whose sum is σ = 18696720. Its totient is φ = 4648320.

The previous prime is 9981271. The next prime is 9981317. The reversal of 9981308 is 8031899.

9981308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3560 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (779030).

Almost surely, 2^9981308 is an apocalyptic number.

It is an amenable number.

9981308 is a deficient number, since it is larger than the sum of its proper divisors (8715412).

9981308 is a wasteful number, since it uses less digits than its factorization.

9981308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2235 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9981308 is about 3159.3208130863. The cubic root of 9981308 is about 215.3091496344.

The spelling of 9981308 in words is "nine million, nine hundred eighty-one thousand, three hundred eight".