3684871 has 2 divisors, whose sum is σ = 3684872. Its totient is φ = 3684870.

The previous prime is 3684859. The next prime is 3684881. The reversal of 3684871 is 1784863.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3684871 - 2¹¹ = 3682823 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3684871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3684881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842435 + 1842436.

It is an arithmetic number, because the mean of its divisors is an integer number (1842436).

Almost surely, 2^3684871 is an apocalyptic number.

3684871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3684871 is an equidigital number, since it uses as much as digits as its factorization.

3684871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 37.

The square root of 3684871 is about 1919.6017816203. The cubic root of 3684871 is about 154.4569410419.

The spelling of 3684871 in words is "three million, six hundred eighty-four thousand, eight hundred seventy-one".