889142942 has 16 divisors (see below), whose sum is σ = 1413825840. Its totient is φ = 417929088.

The previous prime is 889142939. The next prime is 889142957. The reversal of 889142942 is 249241988.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14909 + ... + 44727.

It is an arithmetic number, because the mean of its divisors is an integer number (88364115).

Almost surely, 2^889142942 is an apocalyptic number.

It is a pronic number, being equal to 29818×29819.

889142942 is a deficient number, since it is larger than the sum of its proper divisors (524682898).

889142942 is a wasteful number, since it uses less digits than its factorization.

889142942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30715.

The product of its digits is 331776, while the sum is 47.

The square root of 889142942 is about 29818.4999958080. The cubic root of 889142942 is about 961.5913068103.

The spelling of 889142942 in words is "eight hundred eighty-nine million, one hundred forty-two thousand, nine hundred forty-two".