8889642 has 16 divisors (see below), whose sum is σ = 19754880. Its totient is φ = 2963196.

The previous prime is 8889607. The next prime is 8889659. The reversal of 8889642 is 2469888.

It is a happy 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, 82258 + ... + 82365.

It is an arithmetic number, because the mean of its divisors is an integer number (1234680).

Almost surely, 2^8889642 is an apocalyptic number.

8889642 is an abundant number, since it is smaller than the sum of its proper divisors (10865238).

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

8889642 is a wasteful number, since it uses less digits than its factorization.

8889642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164634 (or 164628 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 8889642 is about 2981.5502678976. The cubic root of 8889642 is about 207.1546837934.

The spelling of 8889642 in words is "eight million, eight hundred eighty-nine thousand, six hundred forty-two".