3601138 has 12 divisors (see below), whose sum is σ = 5514138. Its totient is φ = 1763840.

The previous prime is 3601123. The next prime is 3601139. The reversal of 3601138 is 8311063.

It can be written as a sum of positive squares in 3 ways, for example, as 3583449 + 17689 = 1893^2 + 133^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5298 + ... + 5938.

Almost surely, 2^3601138 is an apocalyptic number.

3601138 is a deficient number, since it is larger than the sum of its proper divisors (1913000).

3601138 is an equidigital number, since it uses as much as digits as its factorization.

3601138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 696 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 3601138 is about 1897.6664617366. Note that the first 3 decimals coincide. The cubic root of 3601138 is about 153.2780340391.

The spelling of 3601138 in words is "three million, six hundred one thousand, one hundred thirty-eight".