2786020 has 12 divisors (see below), whose sum is σ = 5850684. Its totient is φ = 1114400.

The previous prime is 2786009. The next prime is 2786041. The reversal of 2786020 is 206872.

It can be written as a sum of positive squares in 2 ways, for example, as 1909924 + 876096 = 1382^2 + 936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69631 + ... + 69670.

It is an arithmetic number, because the mean of its divisors is an integer number (487557).

2^2786020 is an apocalyptic number.

2786020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2786020 is an abundant number, since it is smaller than the sum of its proper divisors (3064664).

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

2786020 is a wasteful number, since it uses less digits than its factorization.

2786020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139310 (or 139308 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2786020 is about 1669.1375018254. The cubic root of 2786020 is about 140.7110087839.

The spelling of 2786020 in words is "two million, seven hundred eighty-six thousand, twenty".