6906971 has 4 divisors (see below), whose sum is σ = 6929352. Its totient is φ = 6884592.

The previous prime is 6906943. The next prime is 6906973. The reversal of 6906971 is 1796096.

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 6906971 - 2¹⁰ = 6905947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6906973) 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, 10721 + ... + 11346.

It is an arithmetic number, because the mean of its divisors is an integer number (1732338).

Almost surely, 2^6906971 is an apocalyptic number.

6906971 is a deficient number, since it is larger than the sum of its proper divisors (22381).

6906971 is a wasteful number, since it uses less digits than its factorization.

6906971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 6906971 is about 2628.1116795144. Note that the first 3 decimals coincide. The cubic root of 6906971 is about 190.4419168799.

The spelling of 6906971 in words is "six million, nine hundred six thousand, nine hundred seventy-one".