8889012 has 36 divisors (see below), whose sum is σ = 24513216. Its totient is φ = 2693520.

The previous prime is 8889007. The next prime is 8889019. The reversal of 8889012 is 2109888.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×8889012² = 158029068672288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8889019) 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 11 ways as a sum of consecutive naturals, for example, 10828 + ... + 11619.

Almost surely, 2^8889012 is an apocalyptic number.

It is an amenable number.

8889012 is an abundant number, since it is smaller than the sum of its proper divisors (15624204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8889012 is a wasteful number, since it uses less digits than its factorization.

8889012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22468 (or 22463 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 8889012 is about 2981.4446162892. Note that the first 3 decimals coincide. The cubic root of 8889012 is about 207.1497900630.

The spelling of 8889012 in words is "eight million, eight hundred eighty-nine thousand, twelve".