3641724 has 18 divisors (see below), whose sum is σ = 9205560. Its totient is φ = 1213896.

The previous prime is 3641707. The next prime is 3641731. The reversal of 3641724 is 4271463.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 50544 + ... + 50615.

It is an arithmetic number, because the mean of its divisors is an integer number (511420).

Almost surely, 2^3641724 is an apocalyptic number.

It is an amenable number.

3641724 is an abundant number, since it is smaller than the sum of its proper divisors (5563836).

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

3641724 is a wasteful number, since it uses less digits than its factorization.

3641724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101169 (or 101164 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 3641724 is about 1908.3301601138. The cubic root of 3641724 is about 153.8517153631.

The spelling of 3641724 in words is "three million, six hundred forty-one thousand, seven hundred twenty-four".