996081 has 8 divisors (see below), whose sum is σ = 1406304. Its totient is φ = 624960.

The previous prime is 996067. The next prime is 996103. The reversal of 996081 is 180699.

It is a happy number.

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

It is not a de Polignac number, because 996081 - 2⁵ = 996049 is a prime.

It is a super-2 number, since 2×996081² = 1984354717122, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996081.

It is not an unprimeable number, because it can be changed into a prime (996001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9715 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (175788).

2⁹⁹⁶⁰⁸¹ is an apocalyptic number.

It is an amenable number.

996081 is a deficient number, since it is larger than the sum of its proper divisors (410223).

996081 is a wasteful number, since it uses less digits than its factorization.

996081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19551.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 996081 is about 998.0385764087. The cubic root of 996081 is about 99.8691956435.

The spelling of 996081 in words is "nine hundred ninety-six thousand, eighty-one".