384338453 has 2 divisors, whose sum is σ = 384338454. Its totient is φ = 384338452.

The previous prime is 384338419. The next prime is 384338459. The reversal of 384338453 is 354833483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284698129 + 99640324 = 16873^2 + 9982^2 .

It is a cyclic number.

It is not a de Polignac number, because 384338453 - 2¹⁸ = 384076309 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384338453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384338459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192169226 + 192169227.

It is an arithmetic number, because the mean of its divisors is an integer number (192169227).

Almost surely, 2^384338453 is an apocalyptic number.

It is an amenable number.

384338453 is a deficient number, since it is larger than the sum of its proper divisors (1).

384338453 is an equidigital number, since it uses as much as digits as its factorization.

384338453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The square root of 384338453 is about 19604.5518438958. The cubic root of 384338453 is about 727.0617195346.

The spelling of 384338453 in words is "three hundred eighty-four million, three hundred thirty-eight thousand, four hundred fifty-three".