2398656245 has 16 divisors (see below), whose sum is σ = 2949705072. Its totient is φ = 1871800320.

The previous prime is 2398656193. The next prime is 2398656287. The reversal of 2398656245 is 5426568932.

It can be written as a sum of positive squares in 8 ways, for example, as 68277169 + 2330379076 = 8263^2 + 48274^2 .

It is not a de Polignac number, because 2398656245 - 2⁶ = 2398656181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2398656193 and 2398656202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19685 + ... + 72005.

It is an arithmetic number, because the mean of its divisors is an integer number (184356567).

Almost surely, 2^2398656245 is an apocalyptic number.

It is an amenable number.

2398656245 is a deficient number, since it is larger than the sum of its proper divisors (551048827).

2398656245 is a wasteful number, since it uses less digits than its factorization.

2398656245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52552.

The product of its digits is 3110400, while the sum is 50.

The square root of 2398656245 is about 48976.0782933873. The cubic root of 2398656245 is about 1338.6159774387.

The spelling of 2398656245 in words is "two billion, three hundred ninety-eight million, six hundred fifty-six thousand, two hundred forty-five".