4385947 has 2 divisors, whose sum is σ = 4385948. Its totient is φ = 4385946.

The previous prime is 4385923. The next prime is 4385963. The reversal of 4385947 is 7495834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4385947 - 2⁷ = 4385819 is a prime.

It is an Ulam number.

4385947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4385987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2192973 + 2192974.

It is an arithmetic number, because the mean of its divisors is an integer number (2192974).

Almost surely, 2^4385947 is an apocalyptic number.

4385947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4385947 is an equidigital number, since it uses as much as digits as its factorization.

4385947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 4385947 is about 2094.2652649557. The cubic root of 4385947 is about 163.6896147023.

The spelling of 4385947 in words is "four million, three hundred eighty-five thousand, nine hundred forty-seven".