6698971 has 4 divisors (see below), whose sum is σ = 6930000. Its totient is φ = 6467944.

The previous prime is 6698953. The next prime is 6698977. The reversal of 6698971 is 1798966.

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 6698971 - 2¹¹ = 6696923 is a prime.

It is a super-3 number, since 3×6698971³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6698977) 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, 115471 + ... + 115528.

It is an arithmetic number, because the mean of its divisors is an integer number (1732500).

Almost surely, 2^6698971 is an apocalyptic number.

6698971 is a deficient number, since it is larger than the sum of its proper divisors (231029).

6698971 is a wasteful number, since it uses less digits than its factorization.

6698971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231028.

The product of its digits is 163296, while the sum is 46.

The square root of 6698971 is about 2588.2370447855. The cubic root of 6698971 is about 188.5107114909.

The spelling of 6698971 in words is "six million, six hundred ninety-eight thousand, nine hundred seventy-one".