3874243 has 2 divisors, whose sum is σ = 3874244. Its totient is φ = 3874242.

The previous prime is 3874237. The next prime is 3874279. The reversal of 3874243 is 3424783.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3424783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3874243 - 2⁹ = 3873731 is a prime.

It is not a weakly prime, because it can be changed into another prime (3875243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937121 + 1937122.

It is an arithmetic number, because the mean of its divisors is an integer number (1937122).

Almost surely, 2^3874243 is an apocalyptic number.

3874243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874243 is an equidigital number, since it uses as much as digits as its factorization.

3874243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 3874243 is about 1968.3096809191. The cubic root of 3874243 is about 157.0588038883.

The spelling of 3874243 in words is "three million, eight hundred seventy-four thousand, two hundred forty-three".