995664 has 20 divisors (see below), whose sum is σ = 2572256. Its totient is φ = 331872.

The previous prime is 995663. The next prime is 995669. The reversal of 995664 is 466599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324 + ... + 10419.

2⁹⁹⁵⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

995664 is an abundant number, since it is smaller than the sum of its proper divisors (1576592).

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

995664 is a wasteful number, since it uses less digits than its factorization.

995664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20754 (or 20748 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 995664 is about 997.8296447791. The cubic root of 995664 is about 99.8552572631.

The spelling of 995664 in words is "nine hundred ninety-five thousand, six hundred sixty-four".