3478847 has 2 divisors, whose sum is σ = 3478848. Its totient is φ = 3478846.

The previous prime is 3478831. The next prime is 3478859. The reversal of 3478847 is 7488743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3478847 - 2⁴ = 3478831 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3478807) 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, 1739423 + 1739424.

It is an arithmetic number, because the mean of its divisors is an integer number (1739424).

Almost surely, 2^3478847 is an apocalyptic number.

3478847 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478847 is an equidigital number, since it uses as much as digits as its factorization.

3478847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 150528, while the sum is 41.

The square root of 3478847 is about 1865.1667485777. The cubic root of 3478847 is about 151.5229590478.

The spelling of 3478847 in words is "three million, four hundred seventy-eight thousand, eight hundred forty-seven".