1996946 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 823200.

The previous prime is 1996937. The next prime is 1996949. The reversal of 1996946 is 6496991.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1996897 and 1996906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28091 + ... + 28161.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1996946 is an apocalyptic number.

1996946 is a deficient number, since it is larger than the sum of its proper divisors (1631854).

1996946 is an equidigital number, since it uses as much as digits as its factorization.

1996946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 121 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 1996946 is about 1413.1333978079. The cubic root of 1996946 is about 125.9279423382.

The spelling of 1996946 in words is "one million, nine hundred ninety-six thousand, nine hundred forty-six".