3345847 has 2 divisors, whose sum is σ = 3345848. Its totient is φ = 3345846.

The previous prime is 3345841. The next prime is 3345857. The reversal of 3345847 is 7485433.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3345847 is a prime.

It is a super-2 number, since 2×3345847² = 22389384294818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3345841) 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, 1672923 + 1672924.

It is an arithmetic number, because the mean of its divisors is an integer number (1672924).

Almost surely, 2^3345847 is an apocalyptic number.

3345847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345847 is an equidigital number, since it uses as much as digits as its factorization.

3345847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 34.

The square root of 3345847 is about 1829.1656567955. The cubic root of 3345847 is about 149.5668541387.

The spelling of 3345847 in words is "three million, three hundred forty-five thousand, eight hundred forty-seven".