6618441 has 8 divisors (see below), whose sum is σ = 9289120. Its totient is φ = 4180032.

The previous prime is 6618433. The next prime is 6618463. The reversal of 6618441 is 1448166.

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

It is not a de Polignac number, because 6618441 - 2³ = 6618433 is a prime.

It is a super-2 number, since 2×6618441² = 87607522540962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6618399 and 6618408.

It is not an unprimeable number, because it can be changed into a prime (6618401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58000 + ... + 58113.

It is an arithmetic number, because the mean of its divisors is an integer number (1161140).

Almost surely, 2^6618441 is an apocalyptic number.

It is an amenable number.

6618441 is a deficient number, since it is larger than the sum of its proper divisors (2670679).

6618441 is a wasteful number, since it uses less digits than its factorization.

6618441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116135.

The product of its digits is 4608, while the sum is 30.

The square root of 6618441 is about 2572.6330869364. The cubic root of 6618441 is about 187.7522861679.

The spelling of 6618441 in words is "six million, six hundred eighteen thousand, four hundred forty-one".