3091329 has 6 divisors (see below), whose sum is σ = 4465266. Its totient is φ = 2060880.

The previous prime is 3091327. The next prime is 3091367. The reversal of 3091329 is 9231903.

3091329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 921600 = 1473^2 + 960^2 .

It is not a de Polignac number, because 3091329 - 2¹ = 3091327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3091321) 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 5 ways as a sum of consecutive naturals, for example, 171732 + ... + 171749.

It is an arithmetic number, because the mean of its divisors is an integer number (744211).

Almost surely, 2^3091329 is an apocalyptic number.

It is an amenable number.

3091329 is a deficient number, since it is larger than the sum of its proper divisors (1373937).

3091329 is a wasteful number, since it uses less digits than its factorization.

3091329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343487 (or 343484 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3091329 is about 1758.2175633294. The cubic root of 3091329 is about 145.6738984297.

The spelling of 3091329 in words is "three million, ninety-one thousand, three hundred twenty-nine".