2605724 has 12 divisors (see below), whose sum is σ = 4974648. Its totient is φ = 1184400.

The previous prime is 2605663. The next prime is 2605741. The reversal of 2605724 is 4275062.

2605724 is digitally balanced in base 2, 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 = 2605693 and 2605702.

It is a congruent number.

It is an unprimeable number.

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, 29567 + ... + 29654.

It is an arithmetic number, because the mean of its divisors is an integer number (414554).

2^2605724 is an apocalyptic number.

It is an amenable number.

2605724 is a deficient number, since it is larger than the sum of its proper divisors (2368924).

2605724 is a wasteful number, since it uses less digits than its factorization.

2605724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59236 (or 59234 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2605724 is about 1614.2255108875. The cubic root of 2605724 is about 137.6077216462.

The spelling of 2605724 in words is "two million, six hundred five thousand, seven hundred twenty-four".