3641004 has 24 divisors (see below), whose sum is σ = 9439920. Its totient is φ = 1213632.

The previous prime is 3640999. The next prime is 3641041. The reversal of 3641004 is 4001463.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 7 ways as a sum of consecutive naturals, for example, 16749 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (393330).

Almost surely, 2^3641004 is an apocalyptic number.

It is an amenable number.

3641004 is an abundant number, since it is smaller than the sum of its proper divisors (5798916).

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

3641004 is a wasteful number, since it uses less digits than its factorization.

3641004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33726 (or 33718 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3641004 is about 1908.1415041867. The cubic root of 3641004 is about 153.8415754279.

Adding to 3641004 its reverse (4001463), we get a palindrome (7642467).

The spelling of 3641004 in words is "three million, six hundred forty-one thousand, four".