6959647 has 4 divisors (see below), whose sum is σ = 7369056. Its totient is φ = 6550240.

The previous prime is 6959621. The next prime is 6959651. The reversal of 6959647 is 7469596.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6959647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6959597 and 6959606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6959677) 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, 204679 + ... + 204712.

It is an arithmetic number, because the mean of its divisors is an integer number (1842264).

Almost surely, 2^6959647 is an apocalyptic number.

6959647 is a deficient number, since it is larger than the sum of its proper divisors (409409).

6959647 is a wasteful number, since it uses less digits than its factorization.

6959647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409408.

The product of its digits is 408240, while the sum is 46.

The square root of 6959647 is about 2638.1142886539. The cubic root of 6959647 is about 190.9248262781.

The spelling of 6959647 in words is "six million, nine hundred fifty-nine thousand, six hundred forty-seven".