384752647 has 2 divisors, whose sum is σ = 384752648. Its totient is φ = 384752646.

The previous prime is 384752639. The next prime is 384752699. The reversal of 384752647 is 746257483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384752647 - 2³ = 384752639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 384752597 and 384752606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384722647) 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, 192376323 + 192376324.

It is an arithmetic number, because the mean of its divisors is an integer number (192376324).

Almost surely, 2^384752647 is an apocalyptic number.

384752647 is a deficient number, since it is larger than the sum of its proper divisors (1).

384752647 is an equidigital number, since it uses as much as digits as its factorization.

384752647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 46.

The square root of 384752647 is about 19615.1127195334. The cubic root of 384752647 is about 727.3228058116.

The spelling of 384752647 in words is "three hundred eighty-four million, seven hundred fifty-two thousand, six hundred forty-seven".