3847201 has 2 divisors, whose sum is σ = 3847202. Its totient is φ = 3847200.

The previous prime is 3847159. The next prime is 3847237. The reversal of 3847201 is 1027483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 160801 = 1920^2 + 401^2 .

It is an emirp because it is prime and its reverse (1027483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3847201 is a prime.

It is not a weakly prime, because it can be changed into another prime (3847241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1923600 + 1923601.

It is an arithmetic number, because the mean of its divisors is an integer number (1923601).

Almost surely, 2^3847201 is an apocalyptic number.

It is an amenable number.

3847201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3847201 is an equidigital number, since it uses as much as digits as its factorization.

3847201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3847201 is about 1961.4283061076. The cubic root of 3847201 is about 156.6925298079.

The spelling of 3847201 in words is "three million, eight hundred forty-seven thousand, two hundred one".