2665266 has 16 divisors (see below), whose sum is σ = 5421600. Its totient is φ = 873248.

The previous prime is 2665261. The next prime is 2665291. The reversal of 2665266 is 6625662.

It is not an unprimeable number, because it can be changed into a prime (2665261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3411 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (338850).

2^2665266 is an apocalyptic number.

2665266 is an abundant number, since it is smaller than the sum of its proper divisors (2756334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2665266 is a wasteful number, since it uses less digits than its factorization.

2665266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593.

The product of its digits is 25920, while the sum is 33.

The square root of 2665266 is about 1632.5642406962. The cubic root of 2665266 is about 138.6479714174.

The spelling of 2665266 in words is "two million, six hundred sixty-five thousand, two hundred sixty-six".