2399388884 has 12 divisors (see below), whose sum is σ = 4267765908. Its totient is φ = 1180027200.

The previous prime is 2399388877. The next prime is 2399388889. The reversal of 2399388884 is 4888839932.

It can be written as a sum of positive squares in 2 ways, for example, as 548496400 + 1850892484 = 23420^2 + 43022^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2399388889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4916537 + ... + 4917024.

It is an arithmetic number, because the mean of its divisors is an integer number (355647159).

Almost surely, 2^2399388884 is an apocalyptic number.

It is an amenable number.

2399388884 is a deficient number, since it is larger than the sum of its proper divisors (1868377024).

2399388884 is a wasteful number, since it uses less digits than its factorization.

2399388884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833626 (or 9833624 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 62.

The square root of 2399388884 is about 48983.5572820105. The cubic root of 2399388884 is about 1338.7522512991.

The spelling of 2399388884 in words is "two billion, three hundred ninety-nine million, three hundred eighty-eight thousand, eight hundred eighty-four".