6809912 has 8 divisors (see below), whose sum is σ = 12768600. Its totient is φ = 3404952.

The previous prime is 6809903. The next prime is 6809921. The reversal of 6809912 is 2199086.

It is an interprime number because it is at equal distance from previous prime (6809903) and next prime (6809921).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425612 + ... + 425627.

It is an arithmetic number, because the mean of its divisors is an integer number (1596075).

Almost surely, 2^6809912 is an apocalyptic number.

It is an amenable number.

6809912 is a deficient number, since it is larger than the sum of its proper divisors (5958688).

6809912 is a wasteful number, since it uses less digits than its factorization.

6809912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851245 (or 851241 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 6809912 is about 2609.5808092489. The cubic root of 6809912 is about 189.5456549308.

The spelling of 6809912 in words is "six million, eight hundred nine thousand, nine hundred twelve".