2559740 has 24 divisors (see below), whose sum is σ = 5422032. Its totient is φ = 1015040.

The previous prime is 2559731. The next prime is 2559751. The reversal of 2559740 is 479552.

2559740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2559697 and 2559706.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2132 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (225918).

2^2559740 is an apocalyptic number.

2559740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2559740 is an abundant number, since it is smaller than the sum of its proper divisors (2862292).

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

2559740 is a wasteful number, since it uses less digits than its factorization.

2559740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2559740 is about 1599.9187479369. The cubic root of 2559740 is about 136.7934443925.

The spelling of 2559740 in words is "two million, five hundred fifty-nine thousand, seven hundred forty".