2630244 has 12 divisors (see below), whose sum is σ = 6137264. Its totient is φ = 876744.

The previous prime is 2630239. The next prime is 2630281. The reversal of 2630244 is 4420362.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2630244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109582 + ... + 109605.

2^2630244 is an apocalyptic number.

It is an amenable number.

2630244 is an abundant number, since it is smaller than the sum of its proper divisors (3507020).

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

2630244 is a wasteful number, since it uses less digits than its factorization.

2630244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219194 (or 219192 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2630244 is about 1621.8027007007. The cubic root of 2630244 is about 138.0380067548.

The spelling of 2630244 in words is "two million, six hundred thirty thousand, two hundred forty-four".