3821318 has 16 divisors (see below), whose sum is σ = 6073920. Its totient is φ = 1798056.

The previous prime is 3821317. The next prime is 3821327. The reversal of 3821318 is 8131283.

3821318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8405 + ... + 8847.

It is an arithmetic number, because the mean of its divisors is an integer number (379620).

Almost surely, 2^3821318 is an apocalyptic number.

3821318 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3821318 is a deficient number, since it is larger than the sum of its proper divisors (2252602).

3821318 is a wasteful number, since it uses less digits than its factorization.

3821318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691.

The product of its digits is 1152, while the sum is 26.

The square root of 3821318 is about 1954.8191732229. The cubic root of 3821318 is about 156.3403428476.

The spelling of 3821318 in words is "three million, eight hundred twenty-one thousand, three hundred eighteen".