3456656 has 30 divisors (see below), whose sum is σ = 7792470. Its totient is φ = 1481088.

The previous prime is 3456653. The next prime is 3456667. The reversal of 3456656 is 6566543.

3456656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2202256 + 1254400 = 1484^2 + 1120^2 .

It is not an unprimeable number, because it can be changed into a prime (3456653) 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 5 ways as a sum of consecutive naturals, for example, 1421 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (259749).

Almost surely, 2^3456656 is an apocalyptic number.

It is an amenable number.

3456656 is an abundant number, since it is smaller than the sum of its proper divisors (4335814).

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

3456656 is a wasteful number, since it uses less digits than its factorization.

3456656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431 (or 4418 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 3456656 is about 1859.2084337158. The cubic root of 3456656 is about 151.2000914494.

The spelling of 3456656 in words is "three million, four hundred fifty-six thousand, six hundred fifty-six".