2045286 has 36 divisors (see below), whose sum is σ = 4609332. Its totient is φ = 655344.

The previous prime is 2045213. The next prime is 2045311. The reversal of 2045286 is 6825402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24601 + ... + 24683.

It is an arithmetic number, because the mean of its divisors is an integer number (128037).

2^2045286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2304666).

2045286 is an abundant number, since it is smaller than the sum of its proper divisors (2564046).

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

2045286 is a wasteful number, since it uses less digits than its factorization.

2045286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2045286 is about 1430.1349586665. The cubic root of 2045286 is about 126.9359629214.

The spelling of 2045286 in words is "two million, forty-five thousand, two hundred eighty-six".