3613606 has 4 divisors (see below), whose sum is σ = 5420412. Its totient is φ = 1806802.

The previous prime is 3613601. The next prime is 3613607. The reversal of 3613606 is 6063163.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3613601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903400 + ... + 903403.

It is an arithmetic number, because the mean of its divisors is an integer number (1355103).

Almost surely, 2^3613606 is an apocalyptic number.

3613606 is a deficient number, since it is larger than the sum of its proper divisors (1806806).

3613606 is a wasteful number, since it uses less digits than its factorization.

3613606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806805.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3613606 is about 1900.9487105127. The cubic root of 3613606 is about 153.4547253362.

Adding to 3613606 its reverse (6063163), we get a palindrome (9676769).

The spelling of 3613606 in words is "three million, six hundred thirteen thousand, six hundred six".