3667181 has 8 divisors (see below), whose sum is σ = 4304640. Its totient is φ = 3058128.

The previous prime is 3667159. The next prime is 3667201. The reversal of 3667181 is 1817663.

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

It is a cyclic number.

It is not a de Polignac number, because 3667181 - 2⁶ = 3667117 is a prime.

It is a super-2 number, since 2×3667181² = 26896432973522, 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 (3667141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6821 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (538080).

Almost surely, 2^3667181 is an apocalyptic number.

It is an amenable number.

3667181 is a deficient number, since it is larger than the sum of its proper divisors (637459).

3667181 is a wasteful number, since it uses less digits than its factorization.

3667181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14203.

The product of its digits is 6048, while the sum is 32.

The square root of 3667181 is about 1914.9885117149. The cubic root of 3667181 is about 154.2093767552.

The spelling of 3667181 in words is "three million, six hundred sixty-seven thousand, one hundred eighty-one".