6216887 has 2 divisors, whose sum is σ = 6216888. Its totient is φ = 6216886.

The previous prime is 6216841. The next prime is 6216893. The reversal of 6216887 is 7886126.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6216887 - 2⁶ = 6216823 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6216887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6210887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108443 + 3108444.

It is an arithmetic number, because the mean of its divisors is an integer number (3108444).

Almost surely, 2^6216887 is an apocalyptic number.

6216887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6216887 is an equidigital number, since it uses as much as digits as its factorization.

6216887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 38.

The square root of 6216887 is about 2493.3686049199. The cubic root of 6216887 is about 183.8756938446.

The spelling of 6216887 in words is "six million, two hundred sixteen thousand, eight hundred eighty-seven".