923889 has 8 divisors (see below), whose sum is σ = 1238272. Its totient is φ = 612720.

The previous prime is 923869. The next prime is 923903. The reversal of 923889 is 988329.

923889 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 not a de Polignac number, because 923889 - 2¹¹ = 921841 is a prime.

It is a super-3 number, since 3×923889³ = 2365814252233333107, which contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (923809) 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, 22 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (154784).

2⁹²³⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

923889 is a deficient number, since it is larger than the sum of its proper divisors (314383).

923889 is a wasteful number, since it uses less digits than its factorization.

923889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607.

The product of its digits is 31104, while the sum is 39.

The square root of 923889 is about 961.1914481517. The cubic root of 923889 is about 97.3957333758.

The spelling of 923889 in words is "nine hundred twenty-three thousand, eight hundred eighty-nine".