889385646 has 8 divisors (see below), whose sum is σ = 1778771304. Its totient is φ = 296461880.

The previous prime is 889385639. The next prime is 889385657. The reversal of 889385646 is 646583988.

889385646 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.

889385646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74115465 + ... + 74115476.

It is an arithmetic number, because the mean of its divisors is an integer number (222346413).

Almost surely, 2^889385646 is an apocalyptic number.

889385646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

889385646 is a wasteful number, since it uses less digits than its factorization.

889385646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148230946.

The product of its digits is 9953280, while the sum is 57.

The square root of 889385646 is about 29822.5694064076. The cubic root of 889385646 is about 961.6787921155.

The spelling of 889385646 in words is "eight hundred eighty-nine million, three hundred eighty-five thousand, six hundred forty-six".