347887 has 2 divisors, whose sum is σ = 347888. Its totient is φ = 347886.

The previous prime is 347873. The next prime is 347891. The reversal of 347887 is 788743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 347887 - 2⁷ = 347759 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 (347287) 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, 173943 + 173944.

It is an arithmetic number, because the mean of its divisors is an integer number (173944).

2³⁴⁷⁸⁸⁷ is an apocalyptic number.

347887 is a deficient number, since it is larger than the sum of its proper divisors (1).

347887 is an equidigital number, since it uses as much as digits as its factorization.

347887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 347887 is about 589.8194639040. The cubic root of 347887 is about 70.3308824694.

It can be divided in two parts, 34 and 7887, that added together give a square (7921 = 89²).

The spelling of 347887 in words is "three hundred forty-seven thousand, eight hundred eighty-seven".