889948442 has 4 divisors (see below), whose sum is σ = 1334922666. Its totient is φ = 444974220.

The previous prime is 889948399. The next prime is 889948447. The reversal of 889948442 is 244849988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 814588681 + 75359761 = 28541^2 + 8681^2 .

It is not an unprimeable number, because it can be changed into a prime (889948447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222487109 + ... + 222487112.

Almost surely, 2^889948442 is an apocalyptic number.

889948442 is a deficient number, since it is larger than the sum of its proper divisors (444974224).

889948442 is a wasteful number, since it uses less digits than its factorization.

889948442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444974223.

The product of its digits is 5308416, while the sum is 56.

The square root of 889948442 is about 29832.0036537944. The cubic root of 889948442 is about 961.8815968486.

The spelling of 889948442 in words is "eight hundred eighty-nine million, nine hundred forty-eight thousand, four hundred forty-two".