6943656 has 16 divisors (see below), whose sum is σ = 17359200. Its totient is φ = 2314544.

The previous prime is 6943619. The next prime is 6943661. The reversal of 6943656 is 6563496.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144636 + ... + 144683.

It is an arithmetic number, because the mean of its divisors is an integer number (1084950).

Almost surely, 2^6943656 is an apocalyptic number.

It is an amenable number.

6943656 is an abundant number, since it is smaller than the sum of its proper divisors (10415544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6943656 is a wasteful number, since it uses less digits than its factorization.

6943656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289328 (or 289324 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 6943656 is about 2635.0817824121. The cubic root of 6943656 is about 190.7784864703.

The spelling of 6943656 in words is "six million, nine hundred forty-three thousand, six hundred fifty-six".