889039842 has 16 divisors (see below), whose sum is σ = 1785460512. Its totient is φ = 295116480.

The previous prime is 889039841. The next prime is 889039847. The reversal of 889039842 is 248930988.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (889039841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305968 + ... + 308859.

It is an arithmetic number, because the mean of its divisors is an integer number (111591282).

Almost surely, 2^889039842 is an apocalyptic number.

889039842 is an abundant number, since it is smaller than the sum of its proper divisors (896420670).

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

889039842 is a wasteful number, since it uses less digits than its factorization.

889039842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615073.

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 889039842 is about 29816.7711531614. The cubic root of 889039842 is about 961.5541384724.

The spelling of 889039842 in words is "eight hundred eighty-nine million, thirty-nine thousand, eight hundred forty-two".