2630784 has 128 divisors (see below), whose sum is σ = 8225280. Its totient is φ = 737280.

The previous prime is 2630773. The next prime is 2630791. The reversal of 2630784 is 4870362.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84849 + ... + 84879.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2^2630784 is an apocalyptic number.

2630784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2630784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4112640).

2630784 is an abundant number, since it is smaller than the sum of its proper divisors (5594496).

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

2630784 is a wasteful number, since it uses less digits than its factorization.

2630784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2630784 is about 1621.9691735665. The cubic root of 2630784 is about 138.0474527002.

The spelling of 2630784 in words is "two million, six hundred thirty thousand, seven hundred eighty-four".