885664 has 24 divisors (see below), whose sum is σ = 1878660. Its totient is φ = 408576.

The previous prime is 885623. The next prime is 885679. The reversal of 885664 is 466588.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 90000 = 892^2 + 300^2 .

It is an Ulam number.

It is a congruent 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, 649 + ... + 1480.

2⁸⁸⁵⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

885664 is an abundant number, since it is smaller than the sum of its proper divisors (992996).

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

885664 is a wasteful number, since it uses less digits than its factorization.

885664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2144 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 885664 is about 941.0972319585. The cubic root of 885664 is about 96.0335530863.

The spelling of 885664 in words is "eight hundred eighty-five thousand, six hundred sixty-four".