3003640 has 32 divisors (see below), whose sum is σ = 6874560. Its totient is φ = 1180800.

The previous prime is 3003607. The next prime is 3003641. The reversal of 3003640 is 463003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3003641) 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 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (214830).

Almost surely, 2^3003640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3003640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3437280).

3003640 is an abundant number, since it is smaller than the sum of its proper divisors (3870920).

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

3003640 is a wasteful number, since it uses less digits than its factorization.

3003640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3003640 is about 1733.1012665162. The cubic root of 3003640 is about 144.2832644376.

Adding to 3003640 its reverse (463003), we get a palindrome (3466643).

The spelling of 3003640 in words is "three million, three thousand, six hundred forty".