3818081 has 8 divisors (see below), whose sum is σ = 4082400. Its totient is φ = 3558208.

The previous prime is 3818077. The next prime is 3818093. The reversal of 3818081 is 1808183.

It is a happy number.

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 3818081 - 2² = 3818077 is a prime.

It is a super-2 number, since 2×3818081² = 29155485045122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3818021) 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, 770 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^3818081 is an apocalyptic number.

It is an amenable number.

3818081 is a deficient number, since it is larger than the sum of its proper divisors (264319).

3818081 is a wasteful number, since it uses less digits than its factorization.

3818081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 3818081 is about 1953.9910439918. The cubic root of 3818081 is about 156.2961856001.

The spelling of 3818081 in words is "three million, eight hundred eighteen thousand, eighty-one".