889986 has 8 divisors (see below), whose sum is σ = 1779984. Its totient is φ = 296660.

The previous prime is 889963. The next prime is 889997. The reversal of 889986 is 689988.

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

889986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74160 + ... + 74171.

It is an arithmetic number, because the mean of its divisors is an integer number (222498).

2⁸⁸⁹⁹⁸⁶ is an apocalyptic number.

889986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

889986 is a wasteful number, since it uses less digits than its factorization.

889986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148336.

The product of its digits is 248832, while the sum is 48.

The square root of 889986 is about 943.3906931913. The cubic root of 889986 is about 96.1895127910.

The spelling of 889986 in words is "eight hundred eighty-nine thousand, nine hundred eighty-six".