6949671 has 4 divisors (see below), whose sum is σ = 9266232. Its totient is φ = 4633112.

The previous prime is 6949661. The next prime is 6949697. The reversal of 6949671 is 1769496.

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 6949671 - 2⁵ = 6949639 is a prime.

It is a D-number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6949661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158276 + ... + 1158281.

It is an arithmetic number, because the mean of its divisors is an integer number (2316558).

Almost surely, 2^6949671 is an apocalyptic number.

6949671 is a deficient number, since it is larger than the sum of its proper divisors (2316561).

6949671 is a wasteful number, since it uses less digits than its factorization.

6949671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316560.

The product of its digits is 81648, while the sum is 42.

The square root of 6949671 is about 2636.2228661477. Note that the first 3 decimals coincide. The cubic root of 6949671 is about 190.8335583902.

The spelling of 6949671 in words is "six million, nine hundred forty-nine thousand, six hundred seventy-one".