2663996 has 12 divisors (see below), whose sum is σ = 4673760. Its totient is φ = 1328640.

The previous prime is 2663993. The next prime is 2664001. The reversal of 2663996 is 6993662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2663993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (389480).

2^2663996 is an apocalyptic number.

It is an amenable number.

2663996 is a deficient number, since it is larger than the sum of its proper divisors (2009764).

2663996 is a wasteful number, since it uses less digits than its factorization.

2663996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1682 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The square root of 2663996 is about 1632.1752356901. The cubic root of 2663996 is about 138.6259459862.

The spelling of 2663996 in words is "two million, six hundred sixty-three thousand, nine hundred ninety-six".