2866020 has 48 divisors (see below), whose sum is σ = 8248128. Its totient is φ = 743040.

The previous prime is 2866001. The next prime is 2866033. The reversal of 2866020 is 206682.

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 15 ways as a sum of consecutive naturals, for example, 1575 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (171836).

2^2866020 is an apocalyptic number.

2866020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2866020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4124064).

2866020 is an abundant number, since it is smaller than the sum of its proper divisors (5382108).

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

2866020 is a wasteful number, since it uses less digits than its factorization.

2866020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

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

The square root of 2866020 is about 1692.9323672256. The cubic root of 2866020 is about 142.0451486403.

It can be divided in two parts, 28660 and 20, that added together give a triangular number (28680 = T₂₃₉).

The spelling of 2866020 in words is "two million, eight hundred sixty-six thousand, twenty".