384813433 has 2 divisors, whose sum is σ = 384813434. Its totient is φ = 384813432.

The previous prime is 384813367. The next prime is 384813439. The reversal of 384813433 is 334318483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384277609 + 535824 = 19603^2 + 732^2 .

It is a cyclic number.

It is not a de Polignac number, because 384813433 - 2²¹ = 382716281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384813392 and 384813401.

It is not a weakly prime, because it can be changed into another prime (384813439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192406716 + 192406717.

It is an arithmetic number, because the mean of its divisors is an integer number (192406717).

Almost surely, 2^384813433 is an apocalyptic number.

It is an amenable number.

384813433 is a deficient number, since it is larger than the sum of its proper divisors (1).

384813433 is an equidigital number, since it uses as much as digits as its factorization.

384813433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 384813433 is about 19616.6621268757. The cubic root of 384813433 is about 727.3611063633.

It can be divided in two parts, 38481 and 3433, that added together give a palindrome (41914).

The spelling of 384813433 in words is "three hundred eighty-four million, eight hundred thirteen thousand, four hundred thirty-three".