1996626 has 16 divisors (see below), whose sum is σ = 4039200. Its totient is φ = 657888.

The previous prime is 1996613. The next prime is 1996639. The reversal of 1996626 is 6266991.

1996626 is nontrivially palindromic in base 9.

It is an interprime number because it is at equal distance from previous prime (1996613) and next prime (1996639).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1336 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (252450).

2^1996626 is an apocalyptic number.

1996626 is an abundant number, since it is smaller than the sum of its proper divisors (2042574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996626 is a wasteful number, since it uses less digits than its factorization.

1996626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833.

The product of its digits is 34992, while the sum is 39.

The square root of 1996626 is about 1413.0201697074. The cubic root of 1996626 is about 125.9212155507.

The spelling of 1996626 in words is "one million, nine hundred ninety-six thousand, six hundred twenty-six".