1996996 has 12 divisors (see below), whose sum is σ = 3505852. Its totient is φ = 995328.

The previous prime is 1996979. The next prime is 1997003. The reversal of 1996996 is 6996991.

It is a happy number.

1996996 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 864900 + 1132096 = 930^2 + 1064^2 .

It is a zygodrome in base 11.

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 3 ways as a sum of consecutive naturals, for example, 1156 + ... + 2308.

2^1996996 is an apocalyptic number.

It is an amenable number.

1996996 is a deficient number, since it is larger than the sum of its proper divisors (1508856).

1996996 is a wasteful number, since it uses less digits than its factorization.

1996996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1588 counting only the distinct ones).

The product of its digits is 236196, while the sum is 49.

The square root of 1996996 is about 1413.1510888790. The cubic root of 1996996 is about 125.9289933338.

It can be divided in two parts, 1996 and 996, that added together give a palindrome (2992).

The spelling of 1996996 in words is "one million, nine hundred ninety-six thousand, nine hundred ninety-six".