384404467 has 2 divisors, whose sum is σ = 384404468. Its totient is φ = 384404466.

The previous prime is 384404453. The next prime is 384404491. The reversal of 384404467 is 764404483.

It is a weak prime.

It is an emirp because it is prime and its reverse (764404483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384404467 is a prime.

It is not a weakly prime, because it can be changed into another prime (384404567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192202233 + 192202234.

It is an arithmetic number, because the mean of its divisors is an integer number (192202234).

Almost surely, 2^384404467 is an apocalyptic number.

384404467 is a deficient number, since it is larger than the sum of its proper divisors (1).

384404467 is an equidigital number, since it uses as much as digits as its factorization.

384404467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 40.

The square root of 384404467 is about 19606.2354112155. The cubic root of 384404467 is about 727.1033438757.

The spelling of 384404467 in words is "three hundred eighty-four million, four hundred four thousand, four hundred sixty-seven".