889940387 has 8 divisors (see below), whose sum is σ = 1018373376. Its totient is φ = 761832072.

The previous prime is 889940377. The next prime is 889940453. The reversal of 889940387 is 783049988.

889940387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 889940387 - 2⁶ = 889940323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889940377) 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, 75263 + ... + 86280.

It is an arithmetic number, because the mean of its divisors is an integer number (127296672).

Almost surely, 2^889940387 is an apocalyptic number.

889940387 is a deficient number, since it is larger than the sum of its proper divisors (128432989).

889940387 is a wasteful number, since it uses less digits than its factorization.

889940387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162337.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 889940387 is about 29831.8686474716. The cubic root of 889940387 is about 961.8786948155.

The spelling of 889940387 in words is "eight hundred eighty-nine million, nine hundred forty thousand, three hundred eighty-seven".