6918442 has 8 divisors (see below), whose sum is σ = 10619136. Its totient is φ = 3378732.

The previous prime is 6918433. The next prime is 6918449. The reversal of 6918442 is 2448196.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6918398 and 6918407.

It is not an unprimeable number, because it can be changed into a prime (6918449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40138 + ... + 40309.

It is an arithmetic number, because the mean of its divisors is an integer number (1327392).

Almost surely, 2^6918442 is an apocalyptic number.

6918442 is a deficient number, since it is larger than the sum of its proper divisors (3700694).

6918442 is a wasteful number, since it uses less digits than its factorization.

6918442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80492.

The product of its digits is 13824, while the sum is 34.

The square root of 6918442 is about 2630.2931395569. The cubic root of 6918442 is about 190.5472863191.

The spelling of 6918442 in words is "six million, nine hundred eighteen thousand, four hundred forty-two".