889393944 has 16 divisors (see below), whose sum is σ = 2223484920. Its totient is φ = 296464640.

The previous prime is 889393919. The next prime is 889393949. The reversal of 889393944 is 449393988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889393949) 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 3 ways as a sum of consecutive naturals, for example, 18529017 + ... + 18529064.

Almost surely, 2^889393944 is an apocalyptic number.

It is an amenable number.

889393944 is an abundant number, since it is smaller than the sum of its proper divisors (1334090976).

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

889393944 is a wasteful number, since it uses less digits than its factorization.

889393944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37058090 (or 37058086 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 889393944 is about 29822.7085289046. The cubic root of 889393944 is about 961.6817829387.

The spelling of 889393944 in words is "eight hundred eighty-nine million, three hundred ninety-three thousand, nine hundred forty-four".