2781282 has 16 divisors (see below), whose sum is σ = 6357312. Its totient is φ = 794640.

The previous prime is 2781271. The next prime is 2781293. The reversal of 2781282 is 2821872.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2781271) and next prime (2781293).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33069 + ... + 33152.

It is an arithmetic number, because the mean of its divisors is an integer number (397332).

2^2781282 is an apocalyptic number.

2781282 is an abundant number, since it is smaller than the sum of its proper divisors (3576030).

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

2781282 is a wasteful number, since it uses less digits than its factorization.

2781282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66233.

The product of its digits is 3584, while the sum is 30.

The square root of 2781282 is about 1667.7176019938. The cubic root of 2781282 is about 140.6311975540.

The spelling of 2781282 in words is "two million, seven hundred eighty-one thousand, two hundred eighty-two".