3486391 has 2 divisors, whose sum is σ = 3486392. Its totient is φ = 3486390.

The previous prime is 3486361. The next prime is 3486403. The reversal of 3486391 is 1936843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3486391 - 2¹³ = 3478199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3486331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743195 + 1743196.

It is an arithmetic number, because the mean of its divisors is an integer number (1743196).

Almost surely, 2^3486391 is an apocalyptic number.

3486391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486391 is an equidigital number, since it uses as much as digits as its factorization.

3486391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 3486391 is about 1867.1879926778. The cubic root of 3486391 is about 151.6324075634.

The spelling of 3486391 in words is "three million, four hundred eighty-six thousand, three hundred ninety-one".