6416887 has 2 divisors, whose sum is σ = 6416888. Its totient is φ = 6416886.

The previous prime is 6416867. The next prime is 6416903. The reversal of 6416887 is 7886146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6416887 - 2⁷ = 6416759 is a prime.

It is a super-3 number, since 3×6416887³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6416807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208443 + 3208444.

It is an arithmetic number, because the mean of its divisors is an integer number (3208444).

Almost surely, 2^6416887 is an apocalyptic number.

6416887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416887 is an equidigital number, since it uses as much as digits as its factorization.

6416887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 6416887 is about 2533.1575158288. The cubic root of 6416887 is about 185.8267068271.

The spelling of 6416887 in words is "six million, four hundred sixteen thousand, eight hundred eighty-seven".