996281 has 8 divisors (see below), whose sum is σ = 1170624. Its totient is φ = 835920.

The previous prime is 996271. The next prime is 996293. The reversal of 996281 is 182699.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996281 is a prime.

It is a super-2 number, since 2×996281² = 1985151661922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (996211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341 + ... + 3626.

It is an arithmetic number, because the mean of its divisors is an integer number (146328).

2⁹⁹⁶²⁸¹ is an apocalyptic number.

It is an amenable number.

996281 is a deficient number, since it is larger than the sum of its proper divisors (174343).

996281 is a wasteful number, since it uses less digits than its factorization.

996281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991.

The product of its digits is 7776, while the sum is 35.

The square root of 996281 is about 998.1387679075. The cubic root of 996281 is about 99.8758793377.

The spelling of 996281 in words is "nine hundred ninety-six thousand, two hundred eighty-one".