5784840 has 48 divisors (see below), whose sum is σ = 18801900. Its totient is φ = 1542528.

The previous prime is 5784787. The next prime is 5784841. The reversal of 5784840 is 484875.

5784840 is a `hidden beast` number, since 578 + 4 + 84 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5560164 + 224676 = 2358^2 + 474^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5784795 and 5784804.

It is not an unprimeable number, because it can be changed into a prime (5784841) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7675 + ... + 8394.

Almost surely, 2^5784840 is an apocalyptic number.

It is an amenable number.

5784840 is an abundant number, since it is smaller than the sum of its proper divisors (13017060).

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

5784840 is a wasteful number, since it uses less digits than its factorization.

5784840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086 (or 16079 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 5784840 is about 2405.1694327012. The cubic root of 5784840 is about 179.5135011040.

The spelling of 5784840 in words is "five million, seven hundred eighty-four thousand, eight hundred forty".