2784130 has 8 divisors (see below), whose sum is σ = 5011452. Its totient is φ = 1113648.

The previous prime is 2784113. The next prime is 2784137. The reversal of 2784130 is 314872.

2784130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2699449 + 84681 = 1643^2 + 291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2784095 and 2784104.

It is not an unprimeable number, because it can be changed into a prime (2784137) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 139197 + ... + 139216.

2^2784130 is an apocalyptic number.

2784130 is a deficient number, since it is larger than the sum of its proper divisors (2227322).

2784130 is a wasteful number, since it uses less digits than its factorization.

2784130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278420.

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

The square root of 2784130 is about 1668.5712451076. The cubic root of 2784130 is about 140.6791827421.

The spelling of 2784130 in words is "two million, seven hundred eighty-four thousand, one hundred thirty".