6696385 has 8 divisors (see below), whose sum is σ = 8508456. Its totient is φ = 5041920.

The previous prime is 6696383. The next prime is 6696451. The reversal of 6696385 is 5836966.

It can be written as a sum of positive squares in 4 ways, for example, as 501264 + 6195121 = 708^2 + 2489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6696385 - 2¹ = 6696383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6696383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39306 + ... + 39475.

It is an arithmetic number, because the mean of its divisors is an integer number (1063557).

Almost surely, 2^6696385 is an apocalyptic number.

It is an amenable number.

6696385 is a deficient number, since it is larger than the sum of its proper divisors (1812071).

6696385 is a wasteful number, since it uses less digits than its factorization.

6696385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78803.

The product of its digits is 233280, while the sum is 43.

The square root of 6696385 is about 2587.7374287203. The cubic root of 6696385 is about 188.4864514743.

The spelling of 6696385 in words is "six million, six hundred ninety-six thousand, three hundred eighty-five".