618918348 has 96 divisors (see below), whose sum is σ = 1559900160. Its totient is φ = 190552320.

The previous prime is 618918229. The next prime is 618918367. The reversal of 618918348 is 843819816.

It is a junction number, because it is equal to n+sod(n) for n = 618918297 and 618918306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1110886 + ... + 1111442.

It is an arithmetic number, because the mean of its divisors is an integer number (16248960).

Almost surely, 2^618918348 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 618918348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779950080).

618918348 is an abundant number, since it is smaller than the sum of its proper divisors (940981812).

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

618918348 is a wasteful number, since it uses less digits than its factorization.

618918348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 725 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 618918348 is about 24878.0696196469. The cubic root of 618918348 is about 852.2057351035.

The spelling of 618918348 in words is "six hundred eighteen million, nine hundred eighteen thousand, three hundred forty-eight".