6900656 has 20 divisors (see below), whose sum is σ = 15280272. Its totient is φ = 2957376.

The previous prime is 6900643. The next prime is 6900659. The reversal of 6900656 is 6560096.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6900659) 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, 30695 + ... + 30918.

Almost surely, 2^6900656 is an apocalyptic number.

It is an amenable number.

6900656 is an abundant number, since it is smaller than the sum of its proper divisors (8379616).

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

6900656 is a wasteful number, since it uses less digits than its factorization.

6900656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61628 (or 61622 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 6900656 is about 2626.9099718110. The cubic root of 6900656 is about 190.3838592348.

The spelling of 6900656 in words is "six million, nine hundred thousand, six hundred fifty-six".