889931 has 4 divisors (see below), whose sum is σ = 1017072. Its totient is φ = 762792.

The previous prime is 889921. The next prime is 889937. The reversal of 889931 is 139988.

889931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 889931 - 2¹⁸ = 627787 is a prime.

It is a super-2 number, since 2×889931² = 1583954369522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (889937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63560 + ... + 63573.

It is an arithmetic number, because the mean of its divisors is an integer number (254268).

2⁸⁸⁹⁹³¹ is an apocalyptic number.

889931 is a deficient number, since it is larger than the sum of its proper divisors (127141).

889931 is a wasteful number, since it uses less digits than its factorization.

889931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127140.

The product of its digits is 15552, while the sum is 38.

The square root of 889931 is about 943.3615425700. The cubic root of 889931 is about 96.1875312871.

The spelling of 889931 in words is "eight hundred eighty-nine thousand, nine hundred thirty-one".