1996648 has 32 divisors (see below), whose sum is σ = 3951360. Its totient is φ = 944640.

The previous prime is 1996639. The next prime is 1996649. The reversal of 1996648 is 8466991.

It is not an unprimeable number, because it can be changed into a prime (1996649) 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 7 ways as a sum of consecutive naturals, for example, 20536 + ... + 20632.

It is an arithmetic number, because the mean of its divisors is an integer number (123480).

2^1996648 is an apocalyptic number.

It is an amenable number.

1996648 is a deficient number, since it is larger than the sum of its proper divisors (1954712).

1996648 is a wasteful number, since it uses less digits than its factorization.

1996648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 213 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 1996648 is about 1413.0279544298. The cubic root of 1996648 is about 125.9216780403.

The spelling of 1996648 in words is "one million, nine hundred ninety-six thousand, six hundred forty-eight".