3427871 has 2 divisors, whose sum is σ = 3427872. Its totient is φ = 3427870.

The previous prime is 3427859. The next prime is 3427891. The reversal of 3427871 is 1787243.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3427871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3427811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713935 + 1713936.

It is an arithmetic number, because the mean of its divisors is an integer number (1713936).

Almost surely, 2^3427871 is an apocalyptic number.

3427871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427871 is an equidigital number, since it uses as much as digits as its factorization.

3427871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 3427871 is about 1851.4510525531. The cubic root of 3427871 is about 150.7792191812.

The spelling of 3427871 in words is "three million, four hundred twenty-seven thousand, eight hundred seventy-one".