6618348 has 72 divisors (see below), whose sum is σ = 18957120. Its totient is φ = 2002320.

The previous prime is 6618323. The next prime is 6618349. The reversal of 6618348 is 8438166.

It is a happy number.

6618348 is a `hidden beast` number, since 6 + 618 + 34 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6618349) 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, 10383 + ... + 11001.

Almost surely, 2^6618348 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 6618348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9478560).

6618348 is an abundant number, since it is smaller than the sum of its proper divisors (12338772).

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

6618348 is a wasteful number, since it uses less digits than its factorization.

6618348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 635 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6618348 is about 2572.6150120063. The cubic root of 6618348 is about 187.7514067541.

It can be divided in two parts, 661 and 8348, that added together give a palindrome (9009).

The spelling of 6618348 in words is "six million, six hundred eighteen thousand, three hundred forty-eight".