889854 has 16 divisors (see below), whose sum is σ = 2034048. Its totient is φ = 254232.

The previous prime is 889829. The next prime is 889871. The reversal of 889854 is 458988.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 21187 = 889854 / (8 + 8 + 9 + 8 + 5 + 4).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10552 + ... + 10635.

It is an arithmetic number, because the mean of its divisors is an integer number (127128).

2⁸⁸⁹⁸⁵⁴ is an apocalyptic number.

889854 is an abundant number, since it is smaller than the sum of its proper divisors (1144194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889854 is a wasteful number, since it uses less digits than its factorization.

889854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199.

The product of its digits is 92160, while the sum is 42.

The square root of 889854 is about 943.3207301867. The cubic root of 889854 is about 96.1847570445.

The spelling of 889854 in words is "eight hundred eighty-nine thousand, eight hundred fifty-four".