2130784 has 12 divisors (see below), whose sum is σ = 4195044. Its totient is φ = 1065376.

The previous prime is 2130769. The next prime is 2130803. The reversal of 2130784 is 4870312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33262 + ... + 33325.

It is an arithmetic number, because the mean of its divisors is an integer number (349587).

2^2130784 is an apocalyptic number.

It is an amenable number.

2130784 is a deficient number, since it is larger than the sum of its proper divisors (2064260).

2130784 is an equidigital number, since it uses as much as digits as its factorization.

2130784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66597 (or 66589 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2130784 is about 1459.7205211958. The cubic root of 2130784 is about 128.6806192940.

The spelling of 2130784 in words is "two million, one hundred thirty thousand, seven hundred eighty-four".