2666592 has 72 divisors (see below), whose sum is σ = 7783776. Its totient is φ = 865536.

The previous prime is 2666591. The next prime is 2666633. The reversal of 2666592 is 2956662.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×2666592² = 14221425788928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13438 + ... + 13634.

It is an arithmetic number, because the mean of its divisors is an integer number (108108).

2^2666592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3891888).

2666592 is an abundant number, since it is smaller than the sum of its proper divisors (5117184).

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

2666592 is a wasteful number, since it uses less digits than its factorization.

2666592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 249 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2666592 is about 1632.9702997912. The cubic root of 2666592 is about 138.6709605837.

The spelling of 2666592 in words is "two million, six hundred sixty-six thousand, five hundred ninety-two".