3126656 has 32 divisors (see below), whose sum is σ = 6711600. Its totient is φ = 1442304.

The previous prime is 3126653. The next prime is 3126661. The reversal of 3126656 is 6566213.

3126656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126653) 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, 725 + ... + 2603.

Almost surely, 2^3126656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3126656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3355800).

3126656 is an abundant number, since it is smaller than the sum of its proper divisors (3584944).

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

3126656 is a wasteful number, since it uses less digits than its factorization.

3126656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1894 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 3126656 is about 1768.2352784627. The cubic root of 3126656 is about 146.2267072749.

The spelling of 3126656 in words is "three million, one hundred twenty-six thousand, six hundred fifty-six".