2389212438 has 8 divisors (see below), whose sum is σ = 4778424888. Its totient is φ = 796404144.

The previous prime is 2389212431. The next prime is 2389212443. The reversal of 2389212438 is 8342129832.

2389212438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2389212438 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2389212438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389212431) 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, 199101031 + ... + 199101042.

It is an arithmetic number, because the mean of its divisors is an integer number (597303111).

Almost surely, 2^2389212438 is an apocalyptic number.

2389212438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2389212438 is a wasteful number, since it uses less digits than its factorization.

2389212438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398202078.

The product of its digits is 165888, while the sum is 42.

The square root of 2389212438 is about 48879.5707632545. The cubic root of 2389212438 is about 1336.8569011636.

The spelling of 2389212438 in words is "two billion, three hundred eighty-nine million, two hundred twelve thousand, four hundred thirty-eight".