2389303438 has 4 divisors (see below), whose sum is σ = 3583955160. Its totient is φ = 1194651718.

The previous prime is 2389303429. The next prime is 2389303439. The reversal of 2389303438 is 8343039832.

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

It is a junction number, because it is equal to n+sod(n) for n = 2389303394 and 2389303403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389303439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597325858 + ... + 597325861.

It is an arithmetic number, because the mean of its divisors is an integer number (895988790).

Almost surely, 2^2389303438 is an apocalyptic number.

2389303438 is a deficient number, since it is larger than the sum of its proper divisors (1194651722).

2389303438 is a wasteful number, since it uses less digits than its factorization.

2389303438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194651721.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 2389303438 is about 48880.5016136291. The cubic root of 2389303438 is about 1336.8738736231.

The spelling of 2389303438 in words is "two billion, three hundred eighty-nine million, three hundred three thousand, four hundred thirty-eight".