9889874 has 16 divisors (see below), whose sum is σ = 15158016. Its totient is φ = 4838400.

The previous prime is 9889849. The next prime is 9889877. The reversal of 9889874 is 4789889.

It is not an unprimeable number, because it can be changed into a prime (9889877) 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, 36359 + ... + 36629.

It is an arithmetic number, because the mean of its divisors is an integer number (947376).

Almost surely, 2^9889874 is an apocalyptic number.

9889874 is a deficient number, since it is larger than the sum of its proper divisors (5268142).

9889874 is a wasteful number, since it uses less digits than its factorization.

9889874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601.

The product of its digits is 1161216, while the sum is 53.

The square root of 9889874 is about 3144.8170058049. The cubic root of 9889874 is about 214.6496837038.

The spelling of 9889874 in words is "nine million, eight hundred eighty-nine thousand, eight hundred seventy-four".