3983181 has 8 divisors (see below), whose sum is σ = 5322240. Its totient is φ = 2649792.

The previous prime is 3983153. The next prime is 3983197. The reversal of 3983181 is 1813893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3983181 - 2¹⁰ = 3982157 is a prime.

It is a super-3 number, since 3×3983181³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3983131) 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 7 ways as a sum of consecutive naturals, for example, 660 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^3983181 is an apocalyptic number.

It is an amenable number.

3983181 is a deficient number, since it is larger than the sum of its proper divisors (1339059).

3983181 is a wasteful number, since it uses less digits than its factorization.

3983181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835.

The product of its digits is 5184, while the sum is 33.

The square root of 3983181 is about 1995.7908207024. The cubic root of 3983181 is about 158.5173051458.

The spelling of 3983181 in words is "three million, nine hundred eighty-three thousand, one hundred eighty-one".