4028347 has 2 divisors, whose sum is σ = 4028348. Its totient is φ = 4028346.

The previous prime is 4028341. The next prime is 4028363. The reversal of 4028347 is 7438204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4028347 is a prime.

4028347 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4028341) 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, 2014173 + 2014174.

It is an arithmetic number, because the mean of its divisors is an integer number (2014174).

Almost surely, 2^4028347 is an apocalyptic number.

4028347 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028347 is an equidigital number, since it uses as much as digits as its factorization.

4028347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 4028347 is about 2007.0742387864. The cubic root of 4028347 is about 159.1142066759.

The spelling of 4028347 in words is "four million, twenty-eight thousand, three hundred forty-seven".