3081656 has 32 divisors (see below), whose sum is σ = 6156000. Its totient is φ = 1443456.

The previous prime is 3081643. The next prime is 3081677. The reversal of 3081656 is 6561803.

3081656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8405 + ... + 8763.

It is an arithmetic number, because the mean of its divisors is an integer number (192375).

Almost surely, 2^3081656 is an apocalyptic number.

It is an amenable number.

3081656 is a deficient number, since it is larger than the sum of its proper divisors (3074344).

3081656 is a wasteful number, since it uses less digits than its factorization.

3081656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3081656 is about 1755.4646108652. The cubic root of 3081656 is about 145.5217981615.

The spelling of 3081656 in words is "three million, eighty-one thousand, six hundred fifty-six".