2439249384 has 256 divisors, whose sum is σ = 7501455360. Its totient is φ = 650880000.

The previous prime is 2439249343. The next prime is 2439249389. The reversal of 2439249384 is 4839429342.

It is not an unprimeable number, because it can be changed into a prime (2439249389) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10745479 + ... + 10745705.

It is an arithmetic number, because the mean of its divisors is an integer number (29302560).

Almost surely, 2^2439249384 is an apocalyptic number.

2439249384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2439249384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3750727680).

2439249384 is an abundant number, since it is smaller than the sum of its proper divisors (5062205976).

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

2439249384 is a wasteful number, since it uses less digits than its factorization.

2439249384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 388 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The square root of 2439249384 is about 49388.7576681171. The cubic root of 2439249384 is about 1346.1250352095.

The spelling of 2439249384 in words is "two billion, four hundred thirty-nine million, two hundred forty-nine thousand, three hundred eighty-four".