9988894 has 8 divisors (see below), whose sum is σ = 15864768. Its totient is φ = 4700640.

The previous prime is 9988879. The next prime is 9988907. The reversal of 9988894 is 4988899.

9988894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146862 + ... + 146929.

It is an arithmetic number, because the mean of its divisors is an integer number (1983096).

Almost surely, 2^9988894 is an apocalyptic number.

9988894 is a deficient number, since it is larger than the sum of its proper divisors (5875874).

9988894 is a wasteful number, since it uses less digits than its factorization.

9988894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293810.

The product of its digits is 1492992, while the sum is 55.

The square root of 9988894 is about 3160.5211595558. The cubic root of 9988894 is about 215.3636822866.

The spelling of 9988894 in words is "nine million, nine hundred eighty-eight thousand, eight hundred ninety-four".