4781889 has 16 divisors (see below), whose sum is σ = 8096640. Its totient is φ = 2732400.

The previous prime is 4781873. The next prime is 4781911. The reversal of 4781889 is 9881874.

It is not a de Polignac number, because 4781889 - 2⁴ = 4781873 is a prime.

4781889 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4781089) 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 15 ways as a sum of consecutive naturals, for example, 12462 + ... + 12839.

It is an arithmetic number, because the mean of its divisors is an integer number (506040).

Almost surely, 2^4781889 is an apocalyptic number.

It is an amenable number.

4781889 is a deficient number, since it is larger than the sum of its proper divisors (3314751).

4781889 is a wasteful number, since it uses less digits than its factorization.

4781889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25317 (or 25311 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 4781889 is about 2186.7530724798. The cubic root of 4781889 is about 168.4741072078.

The spelling of 4781889 in words is "four million, seven hundred eighty-one thousand, eight hundred eighty-nine".