3486839 has 2 divisors, whose sum is σ = 3486840. Its totient is φ = 3486838.

The previous prime is 3486829. The next prime is 3486863. The reversal of 3486839 is 9386843.

It is a weak prime.

It is an emirp because it is prime and its reverse (9386843) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3486839 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 3486796 and 3486805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3486829) 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, 1743419 + 1743420.

It is an arithmetic number, because the mean of its divisors is an integer number (1743420).

Almost surely, 2^3486839 is an apocalyptic number.

3486839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486839 is an equidigital number, since it uses as much as digits as its factorization.

3486839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 3486839 is about 1867.3079553196. The cubic root of 3486839 is about 151.6389021887.

The spelling of 3486839 in words is "three million, four hundred eighty-six thousand, eight hundred thirty-nine".