2682820 has 24 divisors (see below), whose sum is σ = 6439104. Its totient is φ = 919776.

The previous prime is 2682803. The next prime is 2682829. The reversal of 2682820 is 282862.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2682829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9442 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (268296).

2^2682820 is an apocalyptic number.

2682820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2682820 is an abundant number, since it is smaller than the sum of its proper divisors (3756284).

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

2682820 is a wasteful number, since it uses less digits than its factorization.

2682820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19179 (or 19177 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 2682820 is about 1637.9316225044. The cubic root of 2682820 is about 138.9516937882.

The spelling of 2682820 in words is "two million, six hundred eighty-two thousand, eight hundred twenty".