618202338 has 48 divisors (see below), whose sum is σ = 1385061120. Its totient is φ = 183648192.

The previous prime is 618202313. The next prime is 618202339. The reversal of 618202338 is 833202816.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 618202299 and 618202308.

It is not an unprimeable number, because it can be changed into a prime (618202339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18895 + ... + 39917.

It is an arithmetic number, because the mean of its divisors is an integer number (28855440).

Almost surely, 2^618202338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618202338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692530560).

618202338 is an abundant number, since it is smaller than the sum of its proper divisors (766858782).

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

618202338 is a wasteful number, since it uses less digits than its factorization.

618202338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21083 (or 21070 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 618202338 is about 24863.6750702707. The cubic root of 618202338 is about 851.8769769913.

The spelling of 618202338 in words is "six hundred eighteen million, two hundred two thousand, three hundred thirty-eight".