3601872 has 30 divisors (see below), whose sum is σ = 10080642. Its totient is φ = 1200576.

The previous prime is 3601837. The next prime is 3601877. The reversal of 3601872 is 2781063.

It can be written as a sum of positive squares in only one way, i.e., 3594816 + 7056 = 1896^2 + 84^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601877) 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 5 ways as a sum of consecutive naturals, for example, 12363 + ... + 12650.

Almost surely, 2^3601872 is an apocalyptic number.

It is an amenable number.

3601872 is an abundant number, since it is smaller than the sum of its proper divisors (6478770).

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

3601872 is a wasteful number, since it uses less digits than its factorization.

3601872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027 (or 25018 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3601872 is about 1897.8598473017. The cubic root of 3601872 is about 153.2884472690.

The spelling of 3601872 in words is "three million, six hundred one thousand, eight hundred seventy-two".