3723871 has 2 divisors, whose sum is σ = 3723872. Its totient is φ = 3723870.

The previous prime is 3723869. The next prime is 3723893. The reversal of 3723871 is 1783273.

It is a weak prime.

It is an emirp because it is prime and its reverse (1783273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3723871 - 2¹ = 3723869 is a prime.

Together with 3723869, it forms a pair of twin primes.

It is a Chen prime.

3723871 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3723271) 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, 1861935 + 1861936.

It is an arithmetic number, because the mean of its divisors is an integer number (1861936).

Almost surely, 2^3723871 is an apocalyptic number.

3723871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3723871 is an equidigital number, since it uses as much as digits as its factorization.

3723871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7056, while the sum is 31.

The square root of 3723871 is about 1929.7334012759. The cubic root of 3723871 is about 154.9999445022. Note that the first 4 decimals are identical.

The spelling of 3723871 in words is "three million, seven hundred twenty-three thousand, eight hundred seventy-one".