4647871 has 2 divisors, whose sum is σ = 4647872. Its totient is φ = 4647870.

The previous prime is 4647823. The next prime is 4647887. The reversal of 4647871 is 1787464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4647871 - 2¹⁹ = 4123583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4647871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4647271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2323935 + 2323936.

It is an arithmetic number, because the mean of its divisors is an integer number (2323936).

Almost surely, 2^4647871 is an apocalyptic number.

4647871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4647871 is an equidigital number, since it uses as much as digits as its factorization.

4647871 is an evil number, because the sum of its binary digits is even.

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

The square root of 4647871 is about 2155.8921587130. The cubic root of 4647871 is about 166.8852762449.

The spelling of 4647871 in words is "four million, six hundred forty-seven thousand, eight hundred seventy-one".