4055784 has 16 divisors (see below), whose sum is σ = 10139520. Its totient is φ = 1351920.

The previous prime is 4055773. The next prime is 4055791. The reversal of 4055784 is 4875504.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84472 + ... + 84519.

It is an arithmetic number, because the mean of its divisors is an integer number (633720).

Almost surely, 2^4055784 is an apocalyptic number.

It is an amenable number.

4055784 is an abundant number, since it is smaller than the sum of its proper divisors (6083736).

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

4055784 is a wasteful number, since it uses less digits than its factorization.

4055784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169000 (or 168996 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 4055784 is about 2013.8977133906. The cubic root of 4055784 is about 159.4746309760.

The spelling of 4055784 in words is "four million, fifty-five thousand, seven hundred eighty-four".