3046391 has 2 divisors, whose sum is σ = 3046392. Its totient is φ = 3046390.

The previous prime is 3046343. The next prime is 3046427. The reversal of 3046391 is 1936403.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3046391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3046391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3046301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1523195 + 1523196.

It is an arithmetic number, because the mean of its divisors is an integer number (1523196).

Almost surely, 2^3046391 is an apocalyptic number.

3046391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3046391 is an equidigital number, since it uses as much as digits as its factorization.

3046391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 3046391 is about 1745.3913601253. The cubic root of 3046391 is about 144.9645731921.

The spelling of 3046391 in words is "three million, forty-six thousand, three hundred ninety-one".