3608181 has 12 divisors (see below), whose sum is σ = 5241600. Its totient is φ = 2391720.

The previous prime is 3608179. The next prime is 3608191. The reversal of 3608181 is 1818063.

It is not a de Polignac number, because 3608181 - 2¹ = 3608179 is a prime.

It is a super-2 number, since 2×3608181² = 26037940257522, which contains 22 as substring.

3608181 is a modest number, since divided by 8181 gives 360 as remainder.

3608181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3608161) 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 11 ways as a sum of consecutive naturals, for example, 670 + ... + 2768.

It is an arithmetic number, because the mean of its divisors is an integer number (436800).

Almost surely, 2^3608181 is an apocalyptic number.

It is an amenable number.

3608181 is a deficient number, since it is larger than the sum of its proper divisors (1633419).

3608181 is a wasteful number, since it uses less digits than its factorization.

3608181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 3608181 is about 1899.5212554747. The cubic root of 3608181 is about 153.3778945259.

The spelling of 3608181 in words is "three million, six hundred eight thousand, one hundred eighty-one".