2666996 has 6 divisors (see below), whose sum is σ = 4667250. Its totient is φ = 1333496.

The previous prime is 2666987. The next prime is 2667019. The reversal of 2666996 is 6996662.

It is a happy number.

2666996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 220900 = 1564^2 + 470^2 .

It is a super-2 number, since 2×2666996² = 14225735328032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 333371 + ... + 333378.

It is an arithmetic number, because the mean of its divisors is an integer number (777875).

2^2666996 is an apocalyptic number.

It is an amenable number.

2666996 is a deficient number, since it is larger than the sum of its proper divisors (2000254).

2666996 is a wasteful number, since it uses less digits than its factorization.

2666996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666753 (or 666751 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 2666996 is about 1633.0939960700. The cubic root of 2666996 is about 138.6779633096.

The spelling of 2666996 in words is "two million, six hundred sixty-six thousand, nine hundred ninety-six".