6143218 has 8 divisors (see below), whose sum is σ = 9236700. Its totient is φ = 3064320.

The previous prime is 6143197. The next prime is 6143219. The reversal of 6143218 is 8123416.

It can be written as a sum of positive squares in 2 ways, for example, as 5919489 + 223729 = 2433^2 + 473^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 6143192 and 6143201.

It is not an unprimeable number, because it can be changed into a prime (6143219) 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, 2523 + ... + 4318.

Almost surely, 2^6143218 is an apocalyptic number.

6143218 is a deficient number, since it is larger than the sum of its proper divisors (3093482).

6143218 is a wasteful number, since it uses less digits than its factorization.

6143218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292.

The product of its digits is 1152, while the sum is 25.

The square root of 6143218 is about 2478.5515931689. The cubic root of 6143218 is about 183.1465079360.

The spelling of 6143218 in words is "six million, one hundred forty-three thousand, two hundred eighteen".