3645526 has 8 divisors (see below), whose sum is σ = 5534424. Its totient is φ = 1800720.

The previous prime is 3645469. The next prime is 3645527. The reversal of 3645526 is 6255463.

3645526 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 (3645527) 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, 10815 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (691803).

Almost surely, 2^3645526 is an apocalyptic number.

3645526 is a deficient number, since it is larger than the sum of its proper divisors (1888898).

3645526 is a wasteful number, since it uses less digits than its factorization.

3645526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22046.

The product of its digits is 21600, while the sum is 31.

The square root of 3645526 is about 1909.3260591109. The cubic root of 3645526 is about 153.9052377037.

It can be divided in two parts, 36455 and 26, that added together give a square (36481 = 191²).

The spelling of 3645526 in words is "three million, six hundred forty-five thousand, five hundred twenty-six".