9994888 has 8 divisors (see below), whose sum is σ = 18740430. Its totient is φ = 4997440.

The previous prime is 9994871. The next prime is 9994913. The reversal of 9994888 is 8884999.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 248004 = 3122^2 + 498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×9994888² = 199795572265088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624673 + ... + 624688.

Almost surely, 2^9994888 is an apocalyptic number.

It is an amenable number.

9994888 is a deficient number, since it is larger than the sum of its proper divisors (8745542).

9994888 is a wasteful number, since it uses less digits than its factorization.

9994888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249367 (or 1249363 counting only the distinct ones).

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

The square root of 9994888 is about 3161.4692786741. The cubic root of 9994888 is about 215.4067511786.

The spelling of 9994888 in words is "nine million, nine hundred ninety-four thousand, eight hundred eighty-eight".