6908069 has 12 divisors (see below), whose sum is σ = 8509644. Its totient is φ = 5572224.

The previous prime is 6908059. The next prime is 6908081. The reversal of 6908069 is 9608096.

It can be written as a sum of positive squares in 2 ways, for example, as 3441025 + 3467044 = 1855^2 + 1862^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6908069 is a prime.

It is a super-2 number, since 2×6908069² = 95442834617522, which contains 22 as substring.

6908069 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6908059) 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 11 ways as a sum of consecutive naturals, for example, 3314 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (709137).

Almost surely, 2^6908069 is an apocalyptic number.

It is an amenable number.

6908069 is a deficient number, since it is larger than the sum of its proper divisors (1601575).

6908069 is a wasteful number, since it uses less digits than its factorization.

6908069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324 (or 8317 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 6908069 is about 2628.3205664454. The cubic root of 6908069 is about 190.4520078516.

The spelling of 6908069 in words is "six million, nine hundred eight thousand, sixty-nine".