2666442 has 16 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 864720.

The previous prime is 2666429. The next prime is 2666453. The reversal of 2666442 is 2446662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5784 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (342342).

2^2666442 is an apocalyptic number.

2666442 is an abundant number, since it is smaller than the sum of its proper divisors (2811030).

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

2666442 is a wasteful number, since it uses less digits than its factorization.

2666442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053.

The product of its digits is 13824, while the sum is 30.

The square root of 2666442 is about 1632.9243705696. The cubic root of 2666442 is about 138.6683603816.

The spelling of 2666442 in words is "two million, six hundred sixty-six thousand, four hundred forty-two".