889660 has 12 divisors (see below), whose sum is σ = 1868328. Its totient is φ = 355856.

The previous prime is 889657. The next prime is 889673. The reversal of 889660 is 66988.

It is a congruent number.

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, 22222 + ... + 22261.

It is an arithmetic number, because the mean of its divisors is an integer number (155694).

2⁸⁸⁹⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

889660 is an abundant number, since it is smaller than the sum of its proper divisors (978668).

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

889660 is a wasteful number, since it uses less digits than its factorization.

889660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44492 (or 44490 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 889660 is about 943.2178963527. The cubic root of 889660 is about 96.1777666846.

The spelling of 889660 in words is "eight hundred eighty-nine thousand, six hundred sixty".