9881946 has 16 divisors (see below), whose sum is σ = 21960000. Its totient is φ = 3293964.

The previous prime is 9881909. The next prime is 9881951. The reversal of 9881946 is 6491889.

9881946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 91446 + ... + 91553.

It is an arithmetic number, because the mean of its divisors is an integer number (1372500).

Almost surely, 2^9881946 is an apocalyptic number.

9881946 is an abundant number, since it is smaller than the sum of its proper divisors (12078054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9881946 is a wasteful number, since it uses less digits than its factorization.

9881946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183010 (or 183004 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 9881946 is about 3143.5562663964. The cubic root of 9881946 is about 214.5923119713.

The spelling of 9881946 in words is "nine million, eight hundred eighty-one thousand, nine hundred forty-six".