2239398312 has 64 divisors (see below), whose sum is σ = 5857488000. Its totient is φ = 712107264.

The previous prime is 2239398307. The next prime is 2239398353. The reversal of 2239398312 is 2138939322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209514 + ... + 219942.

It is an arithmetic number, because the mean of its divisors is an integer number (91523250).

Almost surely, 2^2239398312 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 2239398312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928744000).

2239398312 is an abundant number, since it is smaller than the sum of its proper divisors (3618089688).

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

2239398312 is a wasteful number, since it uses less digits than its factorization.

2239398312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850 (or 10846 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 2239398312 is about 47322.2813482190. The cubic root of 2239398312 is about 1308.3093611233.

The spelling of 2239398312 in words is "two billion, two hundred thirty-nine million, three hundred ninety-eight thousand, three hundred twelve".