4068418 has 4 divisors (see below), whose sum is σ = 6102630. Its totient is φ = 2034208.

The previous prime is 4068373. The next prime is 4068419. The reversal of 4068418 is 8148604.

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., 3545689 + 522729 = 1883^2 + 723^2 .

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 4068418.

It is not an unprimeable number, because it can be changed into a prime (4068419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1017103 + ... + 1017106.

Almost surely, 2^4068418 is an apocalyptic number.

4068418 is a deficient number, since it is larger than the sum of its proper divisors (2034212).

4068418 is a wasteful number, since it uses less digits than its factorization.

4068418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034211.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 4068418 is about 2017.0319779319. The cubic root of 4068418 is about 159.6400502082.

The spelling of 4068418 in words is "four million, sixty-eight thousand, four hundred eighteen".