4381239798 has 48 divisors (see below), whose sum is σ = 10232717040. Its totient is φ = 1346778432.

The previous prime is 4381239791. The next prime is 4381239803. The reversal of 4381239798 is 8979321834.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381239791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251065 + ... + 267947.

It is an arithmetic number, because the mean of its divisors is an integer number (213181605).

Almost surely, 2^4381239798 is an apocalyptic number.

4381239798 is an abundant number, since it is smaller than the sum of its proper divisors (5851477242).

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

4381239798 is a wasteful number, since it uses less digits than its factorization.

4381239798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013 (or 18010 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 4381239798 is about 66190.9344094794. The cubic root of 4381239798 is about 1636.3103397473.

The spelling of 4381239798 in words is "four billion, three hundred eighty-one million, two hundred thirty-nine thousand, seven hundred ninety-eight".