2982840 has 128 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 658944.

The previous prime is 2982827. The next prime is 2982841. The reversal of 2982840 is 482892.

2982840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2982841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44487 + ... + 44553.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2^2982840 is an apocalyptic number.

2982840 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 2982840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5287680).

2982840 is an abundant number, since it is smaller than the sum of its proper divisors (7592520).

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

2982840 is a wasteful number, since it uses less digits than its factorization.

2982840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2982840 is about 1727.0900381856. The cubic root of 2982840 is about 143.9494421279.

The spelling of 2982840 in words is "two million, nine hundred eighty-two thousand, eight hundred forty".