2399198056 has 8 divisors (see below), whose sum is σ = 4498496370. Its totient is φ = 1199599024.

The previous prime is 2399198047. The next prime is 2399198063. The reversal of 2399198056 is 6508919932.

It can be written as a sum of positive squares in only one way, i.e., 1492585956 + 906612100 = 38634^2 + 30110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2399197994 and 2399198012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149949871 + ... + 149949886.

Almost surely, 2^2399198056 is an apocalyptic number.

It is an amenable number.

2399198056 is a deficient number, since it is larger than the sum of its proper divisors (2099298314).

2399198056 is a wasteful number, since it uses less digits than its factorization.

2399198056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299899763 (or 299899759 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The square root of 2399198056 is about 48981.6093651485. The cubic root of 2399198056 is about 1338.7167591800.

The spelling of 2399198056 in words is "two billion, three hundred ninety-nine million, one hundred ninety-eight thousand, fifty-six".