996501 has 8 divisors (see below), whose sum is σ = 1449504. Its totient is φ = 603920.

The previous prime is 996487. The next prime is 996511. The reversal of 996501 is 105699.

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

It is a cyclic number.

It is not a de Polignac number, because 996501 - 2⁹ = 995989 is a prime.

It is an Ulam number.

996501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15066 + ... + 15131.

It is an arithmetic number, because the mean of its divisors is an integer number (181188).

2⁹⁹⁶⁵⁰¹ is an apocalyptic number.

It is an amenable number.

996501 is a deficient number, since it is larger than the sum of its proper divisors (453003).

996501 is a wasteful number, since it uses less digits than its factorization.

996501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30211.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 996501 is about 998.2489669416. The cubic root of 996501 is about 99.8832303683.

The spelling of 996501 in words is "nine hundred ninety-six thousand, five hundred one".