3091493 has 2 divisors, whose sum is σ = 3091494. Its totient is φ = 3091492.

The previous prime is 3091489. The next prime is 3091511. The reversal of 3091493 is 3941903.

3091493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1909924 + 1181569 = 1382^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 3091493 - 2² = 3091489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3091463) 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 as a sum of consecutive naturals, namely, 1545746 + 1545747.

It is an arithmetic number, because the mean of its divisors is an integer number (1545747).

Almost surely, 2^3091493 is an apocalyptic number.

It is an amenable number.

3091493 is a deficient number, since it is larger than the sum of its proper divisors (1).

3091493 is an equidigital number, since it uses as much as digits as its factorization.

3091493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3091493 is about 1758.2642008526. The cubic root of 3091493 is about 145.6764744627.

The spelling of 3091493 in words is "three million, ninety-one thousand, four hundred ninety-three".