3543646 has 8 divisors (see below), whose sum is σ = 5323464. Its totient is φ = 1769160.

The previous prime is 3543643. The next prime is 3543677. The reversal of 3543646 is 6463453.

3543646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543643) 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, 1876 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (665433).

Almost surely, 2^3543646 is an apocalyptic number.

3543646 is a deficient number, since it is larger than the sum of its proper divisors (1779818).

3543646 is a wasteful number, since it uses less digits than its factorization.

3543646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its digits is 25920, while the sum is 31.

The square root of 3543646 is about 1882.4574364378. The cubic root of 3543646 is about 152.4579620759.

It can be divided in two parts, 35 and 43646, that added together give a square (43681 = 209²).

The spelling of 3543646 in words is "three million, five hundred forty-three thousand, six hundred forty-six".