996583 has 4 divisors (see below), whose sum is σ = 1138960. Its totient is φ = 854208.

The previous prime is 996571. The next prime is 996599. The reversal of 996583 is 385699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 385699 = 127 ⋅3037.

It is a cyclic number.

It is not a de Polignac number, because 996583 - 2⁵ = 996551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996563) 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 3 ways as a sum of consecutive naturals, for example, 71178 + ... + 71191.

It is an arithmetic number, because the mean of its divisors is an integer number (284740).

2⁹⁹⁶⁵⁸³ is an apocalyptic number.

996583 is a deficient number, since it is larger than the sum of its proper divisors (142377).

996583 is a wasteful number, since it uses less digits than its factorization.

996583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142376.

The product of its digits is 58320, while the sum is 40.

The square root of 996583 is about 998.2900380150. The cubic root of 996583 is about 99.8859700211.

The spelling of 996583 in words is "nine hundred ninety-six thousand, five hundred eighty-three".