3387181 has 4 divisors (see below), whose sum is σ = 3871072. Its totient is φ = 2903292.

The previous prime is 3387173. The next prime is 3387203. The reversal of 3387181 is 1817833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3387181 - 2³ = 3387173 is a prime.

It is a super-3 number, since 3×3387181³ (a number of 21 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241935 + ... + 241948.

It is an arithmetic number, because the mean of its divisors is an integer number (967768).

Almost surely, 2^3387181 is an apocalyptic number.

It is an amenable number.

3387181 is a deficient number, since it is larger than the sum of its proper divisors (483891).

3387181 is an equidigital number, since it uses as much as digits as its factorization.

3387181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483890.

The product of its digits is 4032, while the sum is 31.

The square root of 3387181 is about 1840.4295694212. The cubic root of 3387181 is about 150.1802425899.

The spelling of 3387181 in words is "three million, three hundred eighty-seven thousand, one hundred eighty-one".