2540334 has 8 divisors (see below), whose sum is σ = 5080680. Its totient is φ = 846776.

The previous prime is 2540323. The next prime is 2540339. The reversal of 2540334 is 4330452.

It is a happy number.

2540334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2540334 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2540334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540339) 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 3 ways as a sum of consecutive naturals, for example, 211689 + ... + 211700.

It is an arithmetic number, because the mean of its divisors is an integer number (635085).

2^2540334 is an apocalyptic number.

2540334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2540334 is a wasteful number, since it uses less digits than its factorization.

2540334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423394.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2540334 is about 1593.8425267259. The cubic root of 2540334 is about 136.4468791945.

Adding to 2540334 its reverse (4330452), we get a palindrome (6870786).

The spelling of 2540334 in words is "two million, five hundred forty thousand, three hundred thirty-four".