384967487 has 2 divisors, whose sum is σ = 384967488. Its totient is φ = 384967486.

The previous prime is 384967483. The next prime is 384967543. The reversal of 384967487 is 784769483.

It is an a-pointer prime, because the next prime (384967543) can be obtained adding 384967487 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384967487 - 2² = 384967483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384967483) 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, 192483743 + 192483744.

It is an arithmetic number, because the mean of its divisors is an integer number (192483744).

Almost surely, 2^384967487 is an apocalyptic number.

384967487 is a deficient number, since it is larger than the sum of its proper divisors (1).

384967487 is an equidigital number, since it uses as much as digits as its factorization.

384967487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 56.

The square root of 384967487 is about 19620.5883448993. The cubic root of 384967487 is about 727.4581559365.

The spelling of 384967487 in words is "three hundred eighty-four million, nine hundred sixty-seven thousand, four hundred eighty-seven".