384547 has 2 divisors, whose sum is σ = 384548. Its totient is φ = 384546.

The previous prime is 384533. The next prime is 384577. The reversal of 384547 is 745483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384547 - 2¹⁵ = 351779 is a prime.

It is not a weakly prime, because it can be changed into another prime (384577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192273 + 192274.

It is an arithmetic number, because the mean of its divisors is an integer number (192274).

2³⁸⁴⁵⁴⁷ is an apocalyptic number.

384547 is a deficient number, since it is larger than the sum of its proper divisors (1).

384547 is an equidigital number, since it uses as much as digits as its factorization.

384547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 384547 is about 620.1185370556. The cubic root of 384547 is about 72.7193200111.

The spelling of 384547 in words is "three hundred eighty-four thousand, five hundred forty-seven".