6884869 has 2 divisors, whose sum is σ = 6884870. Its totient is φ = 6884868.

The previous prime is 6884863. The next prime is 6884893. The reversal of 6884869 is 9684886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3751969 + 3132900 = 1937^2 + 1770^2 .

It is a cyclic number.

It is not a de Polignac number, because 6884869 - 2⁷ = 6884741 is a prime.

It is a super-2 number, since 2×6884869² = 94802842294322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6884863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442434 + 3442435.

It is an arithmetic number, because the mean of its divisors is an integer number (3442435).

Almost surely, 2^6884869 is an apocalyptic number.

It is an amenable number.

6884869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6884869 is an equidigital number, since it uses as much as digits as its factorization.

6884869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 49.

The square root of 6884869 is about 2623.9033899898. The cubic root of 6884869 is about 190.2385645981.

The spelling of 6884869 in words is "six million, eight hundred eighty-four thousand, eight hundred sixty-nine".