5781885 has 32 divisors (see below), whose sum is σ = 9642240. Its totient is φ = 2956800.

The previous prime is 5781869. The next prime is 5781889. The reversal of 5781885 is 5881875.

It is not a de Polignac number, because 5781885 - 2⁴ = 5781869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781889) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 64921 + ... + 65009.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

Almost surely, 2^5781885 is an apocalyptic number.

It is an amenable number.

5781885 is a deficient number, since it is larger than the sum of its proper divisors (3860355).

5781885 is a wasteful number, since it uses less digits than its factorization.

5781885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its digits is 89600, while the sum is 42.

The square root of 5781885 is about 2404.5550523953. Note that the first 3 decimals coincide. The cubic root of 5781885 is about 179.4829296595.

It can be divided in two parts, 5781 and 885, that added together give a palindrome (6666).

The spelling of 5781885 in words is "five million, seven hundred eighty-one thousand, eight hundred eighty-five".