3816201 has 4 divisors (see below), whose sum is σ = 5088272. Its totient is φ = 2544132.

The previous prime is 3816191. The next prime is 3816203. The reversal of 3816201 is 1026183.

3816201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1026183 = 3 ⋅342061.

It is not a de Polignac number, because 3816201 - 2⁷ = 3816073 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3816203) 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 3 ways as a sum of consecutive naturals, for example, 636031 + ... + 636036.

It is an arithmetic number, because the mean of its divisors is an integer number (1272068).

Almost surely, 2^3816201 is an apocalyptic number.

It is an amenable number.

3816201 is a deficient number, since it is larger than the sum of its proper divisors (1272071).

3816201 is a wasteful number, since it uses less digits than its factorization.

3816201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272070.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 3816201 is about 1953.5099180705. The cubic root of 3816201 is about 156.2705282895.

The spelling of 3816201 in words is "three million, eight hundred sixteen thousand, two hundred one".