1996966 has 8 divisors (see below), whose sum is σ = 3001680. Its totient is φ = 996408.

The previous prime is 1996949. The next prime is 1996979. The reversal of 1996966 is 6696991.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855 + ... + 2173.

It is an arithmetic number, because the mean of its divisors is an integer number (375210).

2^1996966 is an apocalyptic number.

1996966 is a deficient number, since it is larger than the sum of its proper divisors (1004714).

1996966 is a wasteful number, since it uses less digits than its factorization.

1996966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078.

The product of its digits is 157464, while the sum is 46.

The square root of 1996966 is about 1413.1404742629. The cubic root of 1996966 is about 125.9283627385.

The spelling of 1996966 in words is "one million, nine hundred ninety-six thousand, nine hundred sixty-six".