3081869 has 8 divisors (see below), whose sum is σ = 3567360. Its totient is φ = 2607696.

The previous prime is 3081851. The next prime is 3081877. The reversal of 3081869 is 9681803.

3081869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3081869 is a prime.

It is a super-2 number, since 2×3081869² = 18995833066322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3081809) 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 7 ways as a sum of consecutive naturals, for example, 2234 + ... + 3339.

It is an arithmetic number, because the mean of its divisors is an integer number (445920).

Almost surely, 2^3081869 is an apocalyptic number.

It is an amenable number.

3081869 is a deficient number, since it is larger than the sum of its proper divisors (485491).

3081869 is an equidigital number, since it uses as much as digits as its factorization.

3081869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 3081869 is about 1755.5252775167. The cubic root of 3081869 is about 145.5251508425.

The spelling of 3081869 in words is "three million, eighty-one thousand, eight hundred sixty-nine".