6689485 has 12 divisors (see below), whose sum is σ = 8824284. Its totient is φ = 4864640.

The previous prime is 6689429. The next prime is 6689491. The reversal of 6689485 is 5849866.

6689485 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 4888521 = 1342^2 + 2211^2 .

It is not a de Polignac number, because 6689485 - 2¹¹ = 6687437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4924 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (735357).

Almost surely, 2^6689485 is an apocalyptic number.

It is an amenable number.

6689485 is a deficient number, since it is larger than the sum of its proper divisors (2134799).

6689485 is a wasteful number, since it uses less digits than its factorization.

6689485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084 (or 11073 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 6689485 is about 2586.4038741078. The cubic root of 6689485 is about 188.4216899913.

It can be divided in two parts, 668 and 9485, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 6689485 in words is "six million, six hundred eighty-nine thousand, four hundred eighty-five".