2398885871 has 4 divisors (see below), whose sum is σ = 2399091192. Its totient is φ = 2398680552.

The previous prime is 2398885847. The next prime is 2398885873. The reversal of 2398885871 is 1785888932.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2398885871 - 2¹⁰ = 2398884847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2398885871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398885873) 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, 84005 + ... + 108878.

It is an arithmetic number, because the mean of its divisors is an integer number (599772798).

Almost surely, 2^2398885871 is an apocalyptic number.

2398885871 is a deficient number, since it is larger than the sum of its proper divisors (205321).

2398885871 is a wasteful number, since it uses less digits than its factorization.

2398885871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205320.

The product of its digits is 7741440, while the sum is 59.

The square root of 2398885871 is about 48978.4225042008. The cubic root of 2398885871 is about 1338.6586918022.

The spelling of 2398885871 in words is "two billion, three hundred ninety-eight million, eight hundred eighty-five thousand, eight hundred seventy-one".