384813329 has 2 divisors, whose sum is σ = 384813330. Its totient is φ = 384813328.

The previous prime is 384813311. The next prime is 384813349. The reversal of 384813329 is 923318483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293094400 + 91718929 = 17120^2 + 9577^2 .

It is a cyclic number.

It is not a de Polignac number, because 384813329 - 2⁸ = 384813073 is a prime.

It is not a weakly prime, because it can be changed into another prime (384813349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192406664 + 192406665.

It is an arithmetic number, because the mean of its divisors is an integer number (192406665).

Almost surely, 2^384813329 is an apocalyptic number.

It is an amenable number.

384813329 is a deficient number, since it is larger than the sum of its proper divisors (1).

384813329 is an equidigital number, since it uses as much as digits as its factorization.

384813329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 384813329 is about 19616.6594760678. The cubic root of 384813329 is about 727.3610408376.

The spelling of 384813329 in words is "three hundred eighty-four million, eight hundred thirteen thousand, three hundred twenty-nine".