2666036 has 12 divisors (see below), whose sum is σ = 4677540. Its totient is φ = 1329600.

The previous prime is 2666029. The next prime is 2666039. The reversal of 2666036 is 6306662.

It can be written as a sum of positive squares in 2 ways, for example, as 960400 + 1705636 = 980^2 + 1306^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666039) 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, 1850 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (389795).

2^2666036 is an apocalyptic number.

It is an amenable number.

2666036 is a deficient number, since it is larger than the sum of its proper divisors (2011504).

2666036 is a wasteful number, since it uses less digits than its factorization.

2666036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1712 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2666036 is about 1632.8000489956. The cubic root of 2666036 is about 138.6613220121.

The spelling of 2666036 in words is "two million, six hundred sixty-six thousand, thirty-six".