2820066 has 16 divisors (see below), whose sum is σ = 5793024. Its totient is φ = 914544.

The previous prime is 2820043. The next prime is 2820071. The reversal of 2820066 is 6600282.

2820066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6130 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (362064).

2^2820066 is an apocalyptic number.

2820066 is an abundant number, since it is smaller than the sum of its proper divisors (2972958).

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

2820066 is a wasteful number, since it uses less digits than its factorization.

2820066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2820066 is about 1679.3052134737. The cubic root of 2820066 is about 141.2818666192.

The spelling of 2820066 in words is "two million, eight hundred twenty thousand, sixty-six".