618608 has 30 divisors (see below), whose sum is σ = 1281912. Its totient is φ = 288640.

The previous prime is 618593. The next prime is 618619. The reversal of 618608 is 806816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15068 + ... + 15108.

2⁶¹⁸⁶⁰⁸ 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 618608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640956).

618608 is an abundant number, since it is smaller than the sum of its proper divisors (663304).

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

618608 is a wasteful number, since it uses less digits than its factorization.

618608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 618608 is about 786.5163698233. The cubic root of 618608 is about 85.2063269049.

The spelling of 618608 in words is "six hundred eighteen thousand, six hundred eight".