3820386 has 8 divisors (see below), whose sum is σ = 7640784. Its totient is φ = 1273460.

The previous prime is 3820379. The next prime is 3820391. The reversal of 3820386 is 6830283.

3820386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3820386 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 318360 + ... + 318371.

It is an arithmetic number, because the mean of its divisors is an integer number (955098).

Almost surely, 2^3820386 is an apocalyptic number.

3820386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3820386 is a wasteful number, since it uses less digits than its factorization.

3820386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636736.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3820386 is about 1954.5807734652. The cubic root of 3820386 is about 156.3276316096.

The spelling of 3820386 in words is "three million, eight hundred twenty thousand, three hundred eighty-six".