889543213 has 4 divisors (see below), whose sum is σ = 957969628. Its totient is φ = 821116800.

The previous prime is 889543201. The next prime is 889543219. The reversal of 889543213 is 312345988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62520649 + 827022564 = 7907^2 + 28758^2 .

It is a cyclic number.

It is not a de Polignac number, because 889543213 - 2⁵ = 889543181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889543213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889543219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34213188 + ... + 34213213.

It is an arithmetic number, because the mean of its divisors is an integer number (239492407).

Almost surely, 2^889543213 is an apocalyptic number.

It is an amenable number.

889543213 is a deficient number, since it is larger than the sum of its proper divisors (68426415).

889543213 is a wasteful number, since it uses less digits than its factorization.

889543213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68426414.

The product of its digits is 207360, while the sum is 43.

The square root of 889543213 is about 29825.2110302677. The cubic root of 889543213 is about 961.7355803398.

The spelling of 889543213 in words is "eight hundred eighty-nine million, five hundred forty-three thousand, two hundred thirteen".