889831 has 6 divisors (see below), whose sum is σ = 945560. Its totient is φ = 837216.

The previous prime is 889829. The next prime is 889871. The reversal of 889831 is 138988.

It is not a de Polignac number, because 889831 - 2¹ = 889829 is a prime.

It is a super-2 number, since 2×889831² = 1583598417122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889871) 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 in 5 ways as a sum of consecutive naturals, for example, 1251 + ... + 1828.

2⁸⁸⁹⁸³¹ is an apocalyptic number.

889831 is a deficient number, since it is larger than the sum of its proper divisors (55729).

889831 is a wasteful number, since it uses less digits than its factorization.

889831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113 (or 3096 counting only the distinct ones).

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

The square root of 889831 is about 943.3085391323. The cubic root of 889831 is about 96.1839283436.

The spelling of 889831 in words is "eight hundred eighty-nine thousand, eight hundred thirty-one".