3531656 has 16 divisors (see below), whose sum is σ = 6731340. Its totient is φ = 1736640.

The previous prime is 3531623. The next prime is 3531659. The reversal of 3531656 is 6561353.

3531656 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 2 ways, for example, as 3363556 + 168100 = 1834^2 + 410^2 .

It is not an unprimeable number, because it can be changed into a prime (3531659) 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, 3131 + ... + 4106.

Almost surely, 2^3531656 is an apocalyptic number.

It is an amenable number.

3531656 is a deficient number, since it is larger than the sum of its proper divisors (3199684).

3531656 is a wasteful number, since it uses less digits than its factorization.

3531656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304 (or 7300 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

The square root of 3531656 is about 1879.2700710648. The cubic root of 3531656 is about 152.2858195511.

The spelling of 3531656 in words is "three million, five hundred thirty-one thousand, six hundred fifty-six".