3168381 has 8 divisors (see below), whose sum is σ = 4235584. Its totient is φ = 2106720.

The previous prime is 3168371. The next prime is 3168449. The reversal of 3168381 is 1838613.

3168381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3168381 - 2⁵ = 3168349 is a prime.

It is a super-2 number, since 2×3168381² = 20077276322322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3168331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (529448).

Almost surely, 2^3168381 is an apocalyptic number.

It is an amenable number.

3168381 is a deficient number, since it is larger than the sum of its proper divisors (1067203).

3168381 is a wasteful number, since it uses less digits than its factorization.

3168381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its digits is 3456, while the sum is 30.

The square root of 3168381 is about 1779.9946629133. The cubic root of 3168381 is about 146.8742967221.

The spelling of 3168381 in words is "three million, one hundred sixty-eight thousand, three hundred eighty-one".