6338181 has 4 divisors (see below), whose sum is σ = 8450912. Its totient is φ = 4225452.

The previous prime is 6338147. The next prime is 6338183. The reversal of 6338181 is 1818336.

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 6338181 - 2⁶ = 6338117 is a prime.

It is a super-2 number, since 2×6338181² = 80345076777522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6338183) 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, 1056361 + ... + 1056366.

It is an arithmetic number, because the mean of its divisors is an integer number (2112728).

Almost surely, 2^6338181 is an apocalyptic number.

It is an amenable number.

6338181 is a deficient number, since it is larger than the sum of its proper divisors (2112731).

6338181 is a wasteful number, since it uses less digits than its factorization.

6338181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112730.

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

The square root of 6338181 is about 2517.5744278968. The cubic root of 6338181 is about 185.0638299345.

The spelling of 6338181 in words is "six million, three hundred thirty-eight thousand, one hundred eighty-one".