2054940 has 48 divisors (see below), whose sum is σ = 5957280. Its totient is φ = 528640.

The previous prime is 2054939. The next prime is 2054947. The reversal of 2054940 is 494502.

It is a self number, because there is not a number n which added to its sum of digits gives 2054940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150 + ... + 2330.

It is an arithmetic number, because the mean of its divisors is an integer number (124110).

2^2054940 is an apocalyptic number.

2054940 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 2054940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978640).

2054940 is an abundant number, since it is smaller than the sum of its proper divisors (3902340).

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

2054940 is a wasteful number, since it uses less digits than its factorization.

2054940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2054940 is about 1433.5061911272. The cubic root of 2054940 is about 127.1353672673.

The spelling of 2054940 in words is "two million, fifty-four thousand, nine hundred forty".