4981439 has 6 divisors (see below), whose sum is σ = 5257800. Its totient is φ = 4718916.

The previous prime is 4981423. The next prime is 4981441. The reversal of 4981439 is 9341894.

It is not a de Polignac number, because 4981439 - 2⁴ = 4981423 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 (4981469) 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 5 ways as a sum of consecutive naturals, for example, 6539 + ... + 7260.

It is an arithmetic number, because the mean of its divisors is an integer number (876300).

Almost surely, 2^4981439 is an apocalyptic number.

4981439 is a deficient number, since it is larger than the sum of its proper divisors (276361).

4981439 is a wasteful number, since it uses less digits than its factorization.

4981439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837 (or 13818 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 4981439 is about 2231.9137528139. The cubic root of 4981439 is about 170.7857398783.

The spelling of 4981439 in words is "four million, nine hundred eighty-one thousand, four hundred thirty-nine".