889282989 has 32 divisors (see below), whose sum is σ = 1542401280. Its totient is φ = 495763200.

The previous prime is 889282967. The next prime is 889282991. The reversal of 889282989 is 989282988.

It is not a de Polignac number, because 889282989 - 2¹¹ = 889280941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889280989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49632 + ... + 65129.

It is an arithmetic number, because the mean of its divisors is an integer number (48200040).

Almost surely, 2^889282989 is an apocalyptic number.

It is an amenable number.

889282989 is a deficient number, since it is larger than the sum of its proper divisors (653118291).

889282989 is a wasteful number, since it uses less digits than its factorization.

889282989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114818 (or 114812 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 63.

The square root of 889282989 is about 29820.8482273727. The cubic root of 889282989 is about 961.6417902222.

Subtracting 889282989 from its reverse (989282988), we obtain a palindrome (99999999).

The spelling of 889282989 in words is "eight hundred eighty-nine million, two hundred eighty-two thousand, nine hundred eighty-nine".