9989012 has 24 divisors (see below), whose sum is σ = 19226592. Its totient is φ = 4503200.

The previous prime is 9988991. The next prime is 9989027. The reversal of 9989012 is 2109899.

It is a super-2 number, since 2×9989012² = 199560721472288, 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898 + ... + 6630.

It is an arithmetic number, because the mean of its divisors is an integer number (801108).

Almost surely, 2^9989012 is an apocalyptic number.

It is an amenable number.

9989012 is a deficient number, since it is larger than the sum of its proper divisors (9237580).

9989012 is a wasteful number, since it uses less digits than its factorization.

9989012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 9989012 is about 3160.5398273080. The cubic root of 9989012 is about 215.3645303223.

It can be divided in two parts, 99 and 89012, that multiplied together give a palindrome (8812188).

The spelling of 9989012 in words is "nine million, nine hundred eighty-nine thousand, twelve".