1996586 has 8 divisors (see below), whose sum is σ = 3091584. Its totient is φ = 966060.

The previous prime is 1996583. The next prime is 1996609. The reversal of 1996586 is 6856991.

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

It is not an unprimeable number, because it can be changed into a prime (1996583) 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, 16040 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (386448).

2^1996586 is an apocalyptic number.

1996586 is a deficient number, since it is larger than the sum of its proper divisors (1094998).

1996586 is a wasteful number, since it uses less digits than its factorization.

1996586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32236.

The product of its digits is 116640, while the sum is 44.

The square root of 1996586 is about 1413.0060155569. The cubic root of 1996586 is about 125.9203746517.

The spelling of 1996586 in words is "one million, nine hundred ninety-six thousand, five hundred eighty-six".