2445666 has 16 divisors (see below), whose sum is σ = 4961088. Its totient is φ = 803600.

The previous prime is 2445649. The next prime is 2445689. The reversal of 2445666 is 6665442.

It is a Curzon number.

It is a plaindrome in base 10.

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, 2445 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (310068).

2^2445666 is an apocalyptic number.

2445666 is an abundant number, since it is smaller than the sum of its proper divisors (2515422).

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

2445666 is a wasteful number, since it uses less digits than its factorization.

2445666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5817.

The product of its digits is 34560, while the sum is 33.

The square root of 2445666 is about 1563.8625259274. The cubic root of 2445666 is about 134.7304360379.

The spelling of 2445666 in words is "two million, four hundred forty-five thousand, six hundred sixty-six".