2540338 has 8 divisors (see below), whose sum is σ = 4011120. Its totient is φ = 1203300.

The previous prime is 2540323. The next prime is 2540339. The reversal of 2540338 is 8330452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2540339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33388 + ... + 33463.

It is an arithmetic number, because the mean of its divisors is an integer number (501390).

2^2540338 is an apocalyptic number.

2540338 is a deficient number, since it is larger than the sum of its proper divisors (1470782).

2540338 is a wasteful number, since it uses less digits than its factorization.

2540338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66872.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2540338 is about 1593.8437815545. The cubic root of 2540338 is about 136.4469508107.

The spelling of 2540338 in words is "two million, five hundred forty thousand, three hundred thirty-eight".