2544380 has 12 divisors (see below), whose sum is σ = 5343240. Its totient is φ = 1017744.

The previous prime is 2544361. The next prime is 2544383. The reversal of 2544380 is 834452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544383) 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 3 ways as a sum of consecutive naturals, for example, 63590 + ... + 63629.

It is an arithmetic number, because the mean of its divisors is an integer number (445270).

2^2544380 is an apocalyptic number.

2544380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544380 is an abundant number, since it is smaller than the sum of its proper divisors (2798860).

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

2544380 is a wasteful number, since it uses less digits than its factorization.

2544380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127228 (or 127226 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2544380 is about 1595.1112813845. Note that the first 3 decimals coincide. The cubic root of 2544380 is about 136.5192805980.

The spelling of 2544380 in words is "two million, five hundred forty-four thousand, three hundred eighty".