3641001 has 16 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 1920384.

The previous prime is 3640999. The next prime is 3641041. The reversal of 3641001 is 1001463.

It is not a de Polignac number, because 3641001 - 2¹ = 3640999 is a prime.

3641001 is a modest number, since divided by 1001 gives 364 as remainder.

It is a Curzon number.

3641001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3641041) 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 15 ways as a sum of consecutive naturals, for example, 6396 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (373464).

Almost surely, 2^3641001 is an apocalyptic number.

It is an amenable number.

3641001 is a deficient number, since it is larger than the sum of its proper divisors (2334423).

3641001 is a wasteful number, since it uses less digits than its factorization.

3641001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3641001 is about 1908.1407180813. The cubic root of 3641001 is about 153.8415331753.

Adding to 3641001 its reverse (1001463), we get a palindrome (4642464).

The spelling of 3641001 in words is "three million, six hundred forty-one thousand, one".