2399987104 has 96 divisors (see below), whose sum is σ = 5215266000. Its totient is φ = 1082081280.

The previous prime is 2399987089. The next prime is 2399987119. The reversal of 2399987104 is 4017899932.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2399987089) and next prime (2399987119).

It can be written as a sum of positive squares in 8 ways, for example, as 1159538704 + 1240448400 = 34052^2 + 35220^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350114 + ... + 2351134.

Almost surely, 2^2399987104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2399987104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2607633000).

2399987104 is an abundant number, since it is smaller than the sum of its proper divisors (2815278896).

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

2399987104 is a wasteful number, since it uses less digits than its factorization.

2399987104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 2399987104 is about 48989.6632362379. The cubic root of 2399987104 is about 1338.8635021025.

The spelling of 2399987104 in words is "two billion, three hundred ninety-nine million, nine hundred eighty-seven thousand, one hundred four".