2239598939 has 4 divisors (see below), whose sum is σ = 2240015400. Its totient is φ = 2239182480.

The previous prime is 2239598861. The next prime is 2239598983. The reversal of 2239598939 is 9398959322.

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 2239598939 - 2²⁸ = 1971163483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2239598239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200057 + ... + 210954.

It is an arithmetic number, because the mean of its divisors is an integer number (560003850).

Almost surely, 2^2239598939 is an apocalyptic number.

2239598939 is a deficient number, since it is larger than the sum of its proper divisors (416461).

2239598939 is an equidigital number, since it uses as much as digits as its factorization.

2239598939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416460.

The product of its digits is 9447840, while the sum is 59.

The square root of 2239598939 is about 47324.4010949954. The cubic root of 2239598939 is about 1308.3484302999.

The spelling of 2239598939 in words is "two billion, two hundred thirty-nine million, five hundred ninety-eight thousand, nine hundred thirty-nine".