3643574 has 8 divisors (see below), whose sum is σ = 5962248. Its totient is φ = 1656160.

The previous prime is 3643561. The next prime is 3643579. The reversal of 3643574 is 4753463.

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

It is a d-powerful number, because it can be written as 3² + 6⁵ + 4⁸ + 3¹² + 5⁹ + 7⁷ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3643574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82787 + ... + 82830.

It is an arithmetic number, because the mean of its divisors is an integer number (745281).

Almost surely, 2^3643574 is an apocalyptic number.

3643574 is a deficient number, since it is larger than the sum of its proper divisors (2318674).

3643574 is a wasteful number, since it uses less digits than its factorization.

3643574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165630.

The product of its digits is 30240, while the sum is 32.

The square root of 3643574 is about 1908.8148155335. The cubic root of 3643574 is about 153.8777632358.

The spelling of 3643574 in words is "three million, six hundred forty-three thousand, five hundred seventy-four".