2630646 has 24 divisors (see below), whose sum is σ = 5760144. Its totient is φ = 867600.

The previous prime is 2630627. The next prime is 2630681. The reversal of 2630646 is 6460362.

2630646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 1095 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (240006).

2^2630646 is an apocalyptic number.

2630646 is an abundant number, since it is smaller than the sum of its proper divisors (3129498).

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

2630646 is a wasteful number, since it uses less digits than its factorization.

2630646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1553 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 2630646 is about 1621.9266321261. The cubic root of 2630646 is about 138.0450388593.

The spelling of 2630646 in words is "two million, six hundred thirty thousand, six hundred forty-six".