4881389 has 6 divisors (see below), whose sum is σ = 4941450. Its totient is φ = 4821840.

The previous prime is 4881379. The next prime is 4881407. The reversal of 4881389 is 9831884.

It can be written as a sum of positive squares in 3 ways, for example, as 1144900 + 3736489 = 1070^2 + 1933^2 .

It is not a de Polignac number, because 4881389 - 2⁸ = 4881133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4881379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26879 + ... + 27059.

It is an arithmetic number, because the mean of its divisors is an integer number (823575).

Almost surely, 2^4881389 is an apocalyptic number.

It is an amenable number.

4881389 is a deficient number, since it is larger than the sum of its proper divisors (60061).

4881389 is an equidigital number, since it uses as much as digits as its factorization.

4881389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 330 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 4881389 is about 2209.3865664478. The cubic root of 4881389 is about 169.6346131480.

The spelling of 4881389 in words is "four million, eight hundred eighty-one thousand, three hundred eighty-nine".