2399871532 has 24 divisors (see below), whose sum is σ = 4528646640. Its totient is φ = 1109053440.

The previous prime is 2399871527. The next prime is 2399871587. The reversal of 2399871532 is 2351789932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381973 + ... + 388204.

It is an arithmetic number, because the mean of its divisors is an integer number (188693610).

Almost surely, 2^2399871532 is an apocalyptic number.

It is an amenable number.

2399871532 is a deficient number, since it is larger than the sum of its proper divisors (2128775108).

2399871532 is a wasteful number, since it uses less digits than its factorization.

2399871532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770241 (or 770239 counting only the distinct ones).

The product of its digits is 816480, while the sum is 49.

The square root of 2399871532 is about 48988.4836670824. The cubic root of 2399871532 is about 1338.8420106513.

The spelling of 2399871532 in words is "two billion, three hundred ninety-nine million, eight hundred seventy-one thousand, five hundred thirty-two".