3607641 has 6 divisors (see below), whose sum is σ = 5211050. Its totient is φ = 2405088.

The previous prime is 3607633. The next prime is 3607649. The reversal of 3607641 is 1467063.

3607641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3607633) and next prime (3607649).

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 291600 = 1821^2 + 540^2 .

It is not a de Polignac number, because 3607641 - 2³ = 3607633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3607649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 200416 + ... + 200433.

Almost surely, 2^3607641 is an apocalyptic number.

It is an amenable number.

3607641 is a deficient number, since it is larger than the sum of its proper divisors (1603409).

3607641 is a wasteful number, since it uses less digits than its factorization.

3607641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400855 (or 400852 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3607641 is about 1899.3791090775. The cubic root of 3607641 is about 153.3702426375.

It can be divided in two parts, 360 and 7641, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 3607641 in words is "three million, six hundred seven thousand, six hundred forty-one".