2823666 has 64 divisors (see below), whose sum is σ = 6635520. Its totient is φ = 794880.

The previous prime is 2823661. The next prime is 2823671. The reversal of 2823666 is 6663282.

2823666 = 154² + 155² + ... + 229².

It is an interprime number because it is at equal distance from previous prime (2823661) and next prime (2823671).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60055 + ... + 60101.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^2823666 is an apocalyptic number.

2823666 is an abundant number, since it is smaller than the sum of its proper divisors (3811854).

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

2823666 is a wasteful number, since it uses less digits than its factorization.

2823666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119.

The product of its digits is 20736, while the sum is 33.

The square root of 2823666 is about 1680.3767434715. The cubic root of 2823666 is about 141.3419595918.

The spelling of 2823666 in words is "two million, eight hundred twenty-three thousand, six hundred sixty-six".