889667 has 4 divisors (see below), whose sum is σ = 891576. Its totient is φ = 887760.

The previous prime is 889657. The next prime is 889673. The reversal of 889667 is 766988.

889667 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 889667 - 2⁸ = 889411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889657) 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, 263 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (222894).

2⁸⁸⁹⁶⁶⁷ is an apocalyptic number.

889667 is a deficient number, since it is larger than the sum of its proper divisors (1909).

889667 is a wasteful number, since it uses less digits than its factorization.

889667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its digits is 145152, while the sum is 44.

The square root of 889667 is about 943.2216070468. The cubic root of 889667 is about 96.1780189318.

The spelling of 889667 in words is "eight hundred eighty-nine thousand, six hundred sixty-seven".