3487871 has 2 divisors, whose sum is σ = 3487872. Its totient is φ = 3487870.

The previous prime is 3487843. The next prime is 3487921. The reversal of 3487871 is 1787843.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3487871 - 2⁶ = 3487807 is a prime.

It is a super-2 number, since 2×3487871² = 24330488225282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3487831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743935 + 1743936.

It is an arithmetic number, because the mean of its divisors is an integer number (1743936).

Almost surely, 2^3487871 is an apocalyptic number.

3487871 is a deficient number, since it is larger than the sum of its proper divisors (1).

3487871 is an equidigital number, since it uses as much as digits as its factorization.

3487871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 3487871 is about 1867.5842685137. The cubic root of 3487871 is about 151.6538609054.

The spelling of 3487871 in words is "three million, four hundred eighty-seven thousand, eight hundred seventy-one".