995399664 has 80 divisors (see below), whose sum is σ = 3093492480. Its totient is φ = 269429760.

The previous prime is 995399653. The next prime is 995399687. The reversal of 995399664 is 466993599.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 995399598 and 995399607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71577 + ... + 84344.

It is an arithmetic number, because the mean of its divisors is an integer number (38668656).

Almost surely, 2^995399664 is an apocalyptic number.

It is an amenable number.

995399664 is an abundant number, since it is smaller than the sum of its proper divisors (2098092816).

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

995399664 is a wasteful number, since it uses less digits than its factorization.

995399664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155958 (or 155952 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 60.

The square root of 995399664 is about 31549.9550554355. The cubic root of 995399664 is about 998.4641971839.

The spelling of 995399664 in words is "nine hundred ninety-five million, three hundred ninety-nine thousand, six hundred sixty-four".