9861148 has 24 divisors (see below), whose sum is σ = 18918144. Its totient is φ = 4460400.

The previous prime is 9861143. The next prime is 9861151. The reversal of 9861148 is 8411689.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9861143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11511 + ... + 12337.

It is an arithmetic number, because the mean of its divisors is an integer number (788256).

Almost surely, 2^9861148 is an apocalyptic number.

It is an amenable number.

9861148 is a deficient number, since it is larger than the sum of its proper divisors (9056996).

9861148 is a wasteful number, since it uses less digits than its factorization.

9861148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1111 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 9861148 is about 3140.2464871408. The cubic root of 9861148 is about 214.4416592676.

The spelling of 9861148 in words is "nine million, eight hundred sixty-one thousand, one hundred forty-eight".