889421 has 8 divisors (see below), whose sum is σ = 989184. Its totient is φ = 794160.

The previous prime is 889411. The next prime is 889429. The reversal of 889421 is 124988.

It is a happy number.

889421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889421 - 2¹⁰ = 888397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701 + ... + 1506.

It is an arithmetic number, because the mean of its divisors is an integer number (123648).

2⁸⁸⁹⁴²¹ is an apocalyptic number.

It is an amenable number.

889421 is a deficient number, since it is larger than the sum of its proper divisors (99763).

889421 is a wasteful number, since it uses less digits than its factorization.

889421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its digits is 4608, while the sum is 32.

The square root of 889421 is about 943.0911938938. The cubic root of 889421 is about 96.1691534522.

The spelling of 889421 in words is "eight hundred eighty-nine thousand, four hundred twenty-one".