6947865 has 24 divisors (see below), whose sum is σ = 12168000. Its totient is φ = 3667104.

The previous prime is 6947861. The next prime is 6947867. The reversal of 6947865 is 5687496.

It is not a de Polignac number, because 6947865 - 2² = 6947861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6947865.

It is not an unprimeable number, because it can be changed into a prime (6947861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3886 + ... + 5384.

It is an arithmetic number, because the mean of its divisors is an integer number (507000).

Almost surely, 2^6947865 is an apocalyptic number.

It is an amenable number.

6947865 is a deficient number, since it is larger than the sum of its proper divisors (5220135).

6947865 is a wasteful number, since it uses less digits than its factorization.

6947865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1610 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6947865 is about 2635.8803083600. The cubic root of 6947865 is about 190.8170264199.

The spelling of 6947865 in words is "six million, nine hundred forty-seven thousand, eight hundred sixty-five".