3091081 has 8 divisors (see below), whose sum is σ = 3654720. Its totient is φ = 2557968.

The previous prime is 3091057. The next prime is 3091087. The reversal of 3091081 is 1801903.

3091081 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 not a de Polignac number, because 3091081 - 2¹³ = 3082889 is a prime.

It is a super-2 number, since 2×3091081² = 19109563497122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3091087) 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, 7411 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (456840).

Almost surely, 2^3091081 is an apocalyptic number.

It is an amenable number.

3091081 is a deficient number, since it is larger than the sum of its proper divisors (563639).

3091081 is a wasteful number, since it uses less digits than its factorization.

3091081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15263.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 3091081 is about 1758.1470359444. The cubic root of 3091081 is about 145.6700027920.

Adding to 3091081 its reverse (1801903), we get a palindrome (4892984).

The spelling of 3091081 in words is "three million, ninety-one thousand, eighty-one".