6618042 has 48 divisors (see below), whose sum is σ = 15531360. Its totient is φ = 2029536.

The previous prime is 6618041. The next prime is 6618047. The reversal of 6618042 is 2408166.

6618042 is a `hidden beast` number, since 6 + 618 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6617997 and 6618015.

It is not an unprimeable number, because it can be changed into a prime (6618041) 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, 12393 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (323570).

Almost surely, 2^6618042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6618042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7765680).

6618042 is an abundant number, since it is smaller than the sum of its proper divisors (8913318).

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

6618042 is a wasteful number, since it uses less digits than its factorization.

6618042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6618042 is about 2572.5555387591. Note that the first 4 decimals coincide. The cubic root of 6618042 is about 187.7485131410.

The spelling of 6618042 in words is "six million, six hundred eighteen thousand, forty-two".