3624181 has 4 divisors (see below), whose sum is σ = 3953664. Its totient is φ = 3294700.

The previous prime is 3624167. The next prime is 3624191. The reversal of 3624181 is 1814263.

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 a cyclic number.

It is not a de Polignac number, because 3624181 - 2¹⁹ = 3099893 is a prime.

It is a super-2 number, since 2×3624181² = 26269375841522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3624161) 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, 164725 + ... + 164746.

It is an arithmetic number, because the mean of its divisors is an integer number (988416).

Almost surely, 2^3624181 is an apocalyptic number.

It is an amenable number.

3624181 is a deficient number, since it is larger than the sum of its proper divisors (329483).

3624181 is a wasteful number, since it uses less digits than its factorization.

3624181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329482.

The product of its digits is 1152, while the sum is 25.

The square root of 3624181 is about 1903.7281843793. The cubic root of 3624181 is about 153.6042715509.

The spelling of 3624181 in words is "three million, six hundred twenty-four thousand, one hundred eighty-one".