6869447 has 4 divisors (see below), whose sum is σ = 7397880. Its totient is φ = 6341016.

The previous prime is 6869441. The next prime is 6869459. The reversal of 6869447 is 7449686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6869447 - 2¹⁰ = 6868423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6869398 and 6869407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6869441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264197 + ... + 264222.

It is an arithmetic number, because the mean of its divisors is an integer number (1849470).

Almost surely, 2^6869447 is an apocalyptic number.

6869447 is a deficient number, since it is larger than the sum of its proper divisors (528433).

6869447 is a wasteful number, since it uses less digits than its factorization.

6869447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528432.

The product of its digits is 290304, while the sum is 44.

The square root of 6869447 is about 2620.9629909634. The cubic root of 6869447 is about 190.0964145938.

The spelling of 6869447 in words is "six million, eight hundred sixty-nine thousand, four hundred forty-seven".