2722940 has 24 divisors (see below), whose sum is σ = 6238512. Its totient is φ = 990080.

The previous prime is 2722939. The next prime is 2722943. The reversal of 2722940 is 492272.

2722940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2722943) 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 7 ways as a sum of consecutive naturals, for example, 5969 + ... + 6408.

It is an arithmetic number, because the mean of its divisors is an integer number (259938).

2^2722940 is an apocalyptic number.

2722940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2722940 is an abundant number, since it is smaller than the sum of its proper divisors (3515572).

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

2722940 is a wasteful number, since it uses less digits than its factorization.

2722940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12397 (or 12395 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2722940 is about 1650.1333279466. The cubic root of 2722940 is about 139.6409165153.

The spelling of 2722940 in words is "two million, seven hundred twenty-two thousand, nine hundred forty".