889138 has 4 divisors (see below), whose sum is σ = 1333710. Its totient is φ = 444568.

The previous prime is 889123. The next prime is 889139. The reversal of 889138 is 831988.

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., 683929 + 205209 = 827^2 + 453^2 .

It is a junction number, because it is equal to n+sod(n) for n = 889097 and 889106.

It is not an unprimeable number, because it can be changed into a prime (889139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222283 + ... + 222286.

2⁸⁸⁹¹³⁸ is an apocalyptic number.

889138 is a deficient number, since it is larger than the sum of its proper divisors (444572).

889138 is a wasteful number, since it uses less digits than its factorization.

889138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444571.

The product of its digits is 13824, while the sum is 37.

The square root of 889138 is about 942.9411434443. The cubic root of 889138 is about 96.1589525247.

The spelling of 889138 in words is "eight hundred eighty-nine thousand, one hundred thirty-eight".