2398871728 has 40 divisors (see below), whose sum is σ = 5178240000. Its totient is φ = 1067192640.

The previous prime is 2398871719. The next prime is 2398871749. The reversal of 2398871728 is 8271788932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136728 + ... + 153271.

It is an arithmetic number, because the mean of its divisors is an integer number (129456000).

Almost surely, 2^2398871728 is an apocalyptic number.

It is an amenable number.

2398871728 is an abundant number, since it is smaller than the sum of its proper divisors (2779368272).

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

2398871728 is a wasteful number, since it uses less digits than its factorization.

2398871728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290065 (or 290059 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 55.

The square root of 2398871728 is about 48978.2781240827. The cubic root of 2398871728 is about 1338.6560610411.

The spelling of 2398871728 in words is "two billion, three hundred ninety-eight million, eight hundred seventy-one thousand, seven hundred twenty-eight".