889646 has 8 divisors (see below), whose sum is σ = 1340064. Its totient is φ = 442960.

The previous prime is 889639. The next prime is 889657. The reversal of 889646 is 646988.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 889646.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (167508).

2⁸⁸⁹⁶⁴⁶ is an apocalyptic number.

889646 is a deficient number, since it is larger than the sum of its proper divisors (450418).

889646 is a wasteful number, since it uses less digits than its factorization.

889646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its digits is 82944, while the sum is 41.

The square root of 889646 is about 943.2104749206. The cubic root of 889646 is about 96.1772621863.

It can be divided in two parts, 88 and 9646, that multiplied together give a palindrome (848848).

The spelling of 889646 in words is "eight hundred eighty-nine thousand, six hundred forty-six".