3868081 has 4 divisors (see below), whose sum is σ = 4420672. Its totient is φ = 3315492.

The previous prime is 3868079. The next prime is 3868093. The reversal of 3868081 is 1808683.

3868081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3868081 - 2¹ = 3868079 is a prime.

It is a super-2 number, since 2×3868081² = 29924101245122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3868021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276285 + ... + 276298.

It is an arithmetic number, because the mean of its divisors is an integer number (1105168).

Almost surely, 2^3868081 is an apocalyptic number.

3868081 is the 1136-th hex number.

It is an amenable number.

3868081 is a deficient number, since it is larger than the sum of its proper divisors (552591).

3868081 is an equidigital number, since it uses as much as digits as its factorization.

3868081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552590.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 3868081 is about 1966.7437555513. The cubic root of 3868081 is about 156.9754921378.

The spelling of 3868081 in words is "three million, eight hundred sixty-eight thousand, eighty-one".