4890871 has 2 divisors, whose sum is σ = 4890872. Its totient is φ = 4890870.

The previous prime is 4890869. The next prime is 4890887. The reversal of 4890871 is 1780984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4890871 - 2¹ = 4890869 is a prime.

Together with 4890869, it forms a pair of twin primes.

4890871 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4890871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4890841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2445435 + 2445436.

It is an arithmetic number, because the mean of its divisors is an integer number (2445436).

Almost surely, 2^4890871 is an apocalyptic number.

4890871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4890871 is an equidigital number, since it uses as much as digits as its factorization.

4890871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 4890871 is about 2211.5313698883. The cubic root of 4890871 is about 169.7443793810.

The spelling of 4890871 in words is "four million, eight hundred ninety thousand, eight hundred seventy-one".