2830784 has 28 divisors (see below), whose sum is σ = 6129528. Its totient is φ = 1286400.

The previous prime is 2830781. The next prime is 2830787. The reversal of 2830784 is 4870382.

It is an interprime number because it is at equal distance from previous prime (2830781) and next prime (2830787).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2830784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307 + ... + 2714.

2^2830784 is an apocalyptic number.

It is an amenable number.

2830784 is an abundant number, since it is smaller than the sum of its proper divisors (3298744).

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

2830784 is a wasteful number, since it uses less digits than its factorization.

2830784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2830784 is about 1682.4933878028. The cubic root of 2830784 is about 141.4606265858.

The spelling of 2830784 in words is "two million, eight hundred thirty thousand, seven hundred eighty-four".