2579240 has 32 divisors (see below), whose sum is σ = 6146280. Its totient is φ = 970752.

The previous prime is 2579221. The next prime is 2579249. The reversal of 2579240 is 429752.

2579240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2010724 + 568516 = 1418^2 + 754^2 .

It is not an unprimeable number, because it can be changed into a prime (2579249) 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, 1217 + ... + 2576.

2^2579240 is an apocalyptic number.

2579240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2579240 is an abundant number, since it is smaller than the sum of its proper divisors (3567040).

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

2579240 is a wasteful number, since it uses less digits than its factorization.

2579240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821 (or 3817 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2579240 is about 1606.0012453295. The cubic root of 2579240 is about 137.1399284262.

The spelling of 2579240 in words is "two million, five hundred seventy-nine thousand, two hundred forty".