996505 has 8 divisors (see below), whose sum is σ = 1225224. Its totient is φ = 777600.

The previous prime is 996487. The next prime is 996511. The reversal of 996505 is 505699.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 915849 = 284^2 + 957^2 .

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

It is not a de Polignac number, because 996505 - 2¹¹ = 994457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 2226 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (153153).

2⁹⁹⁶⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

996505 is a deficient number, since it is larger than the sum of its proper divisors (228719).

996505 is a wasteful number, since it uses less digits than its factorization.

996505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4907.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 996505 is about 998.2509704478. The cubic root of 996505 is about 99.8833640134.

The spelling of 996505 in words is "nine hundred ninety-six thousand, five hundred five".