6985447 has 8 divisors (see below), whose sum is σ = 8241152. Its totient is φ = 5794200.

The previous prime is 6985441. The next prime is 6985481. The reversal of 6985447 is 7445896.

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

It is a cyclic number.

It is not a de Polignac number, because 6985447 - 2³ = 6985439 is a prime.

It is a Duffinian number.

6985447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15879 + ... + 16312.

It is an arithmetic number, because the mean of its divisors is an integer number (1030144).

Almost surely, 2^6985447 is an apocalyptic number.

6985447 is a deficient number, since it is larger than the sum of its proper divisors (1255705).

6985447 is a wasteful number, since it uses less digits than its factorization.

6985447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229.

The product of its digits is 241920, while the sum is 43.

The square root of 6985447 is about 2642.9996216420. Note that the first 3 decimals coincide. The cubic root of 6985447 is about 191.1604601717.

The spelling of 6985447 in words is "six million, nine hundred eighty-five thousand, four hundred forty-seven".