3601606 has 4 divisors (see below), whose sum is σ = 5402412. Its totient is φ = 1800802.

The previous prime is 3601589. The next prime is 3601607. The reversal of 3601606 is 6061063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6061063 = 1009 ⋅6007.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601607) 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 as a sum of consecutive naturals, namely, 900400 + ... + 900403.

It is an arithmetic number, because the mean of its divisors is an integer number (1350603).

Almost surely, 2^3601606 is an apocalyptic number.

3601606 is a deficient number, since it is larger than the sum of its proper divisors (1800806).

3601606 is a wasteful number, since it uses less digits than its factorization.

3601606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800805.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3601606 is about 1897.7897670712. The cubic root of 3601606 is about 153.2846737007.

Adding to 3601606 its reverse (6061063), we get a palindrome (9662669).

The spelling of 3601606 in words is "three million, six hundred one thousand, six hundred six".