889243729 has 8 divisors (see below), whose sum is σ = 976037472. Its totient is φ = 803442240.

The previous prime is 889243727. The next prime is 889243739. The reversal of 889243729 is 927342988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889243729 - 2¹ = 889243727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889243727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246184 + ... + 249769.

It is an arithmetic number, because the mean of its divisors is an integer number (122004684).

Almost surely, 2^889243729 is an apocalyptic number.

It is an amenable number.

889243729 is a deficient number, since it is larger than the sum of its proper divisors (86793743).

889243729 is a wasteful number, since it uses less digits than its factorization.

889243729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496127.

The product of its digits is 1741824, while the sum is 52.

The square root of 889243729 is about 29820.1899558001. The cubic root of 889243729 is about 961.6276385169.

The spelling of 889243729 in words is "eight hundred eighty-nine million, two hundred forty-three thousand, seven hundred twenty-nine".