996001 has 2 divisors, whose sum is σ = 996002. Its totient is φ = 996000.

The previous prime is 995989. The next prime is 996011. The reversal of 996001 is 100699.

996001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 331776 = 815^2 + 576^2 .

It is an emirp because it is prime and its reverse (100699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996001 - 2¹³ = 987809 is a prime.

It is equal to p₇₈₂₀₈ and since 996001 and 78208 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498000 + 498001.

It is an arithmetic number, because the mean of its divisors is an integer number (498001).

2⁹⁹⁶⁰⁰¹ is an apocalyptic number.

It is an amenable number.

996001 is a deficient number, since it is larger than the sum of its proper divisors (1).

996001 is an equidigital number, since it uses as much as digits as its factorization.

996001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 996001 is about 997.9984969929. The cubic root of 996001 is about 99.8665219153.

The spelling of 996001 in words is "nine hundred ninety-six thousand, one".