6894887 has 2 divisors, whose sum is σ = 6894888. Its totient is φ = 6894886.

The previous prime is 6894869. The next prime is 6894949. The reversal of 6894887 is 7884986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6894887 - 2¹² = 6890791 is a prime.

It is a super-3 number, since 3×6894887³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6894827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447443 + 3447444.

It is an arithmetic number, because the mean of its divisors is an integer number (3447444).

Almost surely, 2^6894887 is an apocalyptic number.

6894887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6894887 is an equidigital number, since it uses as much as digits as its factorization.

6894887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 50.

The square root of 6894887 is about 2625.8116840322. The cubic root of 6894887 is about 190.3307903336.

Subtracting 6894887 from its reverse (7884986), we obtain a palindrome (990099).

The spelling of 6894887 in words is "six million, eight hundred ninety-four thousand, eight hundred eighty-seven".