385003847 has 2 divisors, whose sum is σ = 385003848. Its totient is φ = 385003846.

The previous prime is 385003823. The next prime is 385003873. The reversal of 385003847 is 748300583.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 385003847 - 2¹⁰ = 385002823 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 385003847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385003547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192501923 + 192501924.

It is an arithmetic number, because the mean of its divisors is an integer number (192501924).

Almost surely, 2^385003847 is an apocalyptic number.

385003847 is a deficient number, since it is larger than the sum of its proper divisors (1).

385003847 is an equidigital number, since it uses as much as digits as its factorization.

385003847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 385003847 is about 19621.5149007410. The cubic root of 385003847 is about 727.4810579103.

The spelling of 385003847 in words is "three hundred eighty-five million, three thousand, eight hundred forty-seven".