6143818 has 4 divisors (see below), whose sum is σ = 9215730. Its totient is φ = 3071908.

The previous prime is 6143807. The next prime is 6143827. The reversal of 6143818 is 8183416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 2732409 = 1847^2 + 1653^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6143818.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1535953 + ... + 1535956.

Almost surely, 2^6143818 is an apocalyptic number.

6143818 is a deficient number, since it is larger than the sum of its proper divisors (3071912).

6143818 is a wasteful number, since it uses less digits than its factorization.

6143818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071911.

The product of its digits is 4608, while the sum is 31.

The square root of 6143818 is about 2478.6726286462. The cubic root of 6143818 is about 183.1524703012.

The spelling of 6143818 in words is "six million, one hundred forty-three thousand, eight hundred eighteen".