3869181 has 16 divisors (see below), whose sum is σ = 5856000. Its totient is φ = 2523744.

The previous prime is 3869167. The next prime is 3869189. The reversal of 3869181 is 1819683.

It is not a de Polignac number, because 3869181 - 2¹¹ = 3867133 is a prime.

It is a super-2 number, since 2×3869181² = 29941123221522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3869189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 2793.

It is an arithmetic number, because the mean of its divisors is an integer number (366000).

Almost surely, 2^3869181 is an apocalyptic number.

It is an amenable number.

3869181 is a deficient number, since it is larger than the sum of its proper divisors (1986819).

3869181 is a wasteful number, since it uses less digits than its factorization.

3869181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105 (or 3099 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 3869181 is about 1967.0233857278. The cubic root of 3869181 is about 156.9903708917.

The spelling of 3869181 in words is "three million, eight hundred sixty-nine thousand, one hundred eighty-one".