2605630 has 16 divisors (see below), whose sum is σ = 4761360. Its totient is φ = 1026432.

The previous prime is 2605627. The next prime is 2605637. The reversal of 2605630 is 365062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (297585).

2^2605630 is an apocalyptic number.

2605630 is a deficient number, since it is larger than the sum of its proper divisors (2155730).

2605630 is a wasteful number, since it uses less digits than its factorization.

2605630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2605630 is about 1614.1963944948. The cubic root of 2605630 is about 137.6060669197.

The spelling of 2605630 in words is "two million, six hundred five thousand, six hundred thirty".