889232643 has 24 divisors (see below), whose sum is σ = 1403908688. Its totient is φ = 539047872.

The previous prime is 889232599. The next prime is 889232683. The reversal of 889232643 is 346232988.

It is not a de Polignac number, because 889232643 - 2¹³ = 889224451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (889232683) 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 23 ways as a sum of consecutive naturals, for example, 48880 + ... + 64557.

Almost surely, 2^889232643 is an apocalyptic number.

889232643 is a deficient number, since it is larger than the sum of its proper divisors (514676045).

889232643 is a wasteful number, since it uses less digits than its factorization.

889232643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113523 (or 113520 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 889232643 is about 29820.0040744464. The cubic root of 889232643 is about 961.6236423690.

The spelling of 889232643 in words is "eight hundred eighty-nine million, two hundred thirty-two thousand, six hundred forty-three".