384381733 has 2 divisors, whose sum is σ = 384381734. Its totient is φ = 384381732.

The previous prime is 384381721. The next prime is 384381737. The reversal of 384381733 is 337183483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281501284 + 102880449 = 16778^2 + 10143^2 .

It is a cyclic number.

It is not a de Polignac number, because 384381733 - 2¹³ = 384373541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384381737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192190866 + 192190867.

It is an arithmetic number, because the mean of its divisors is an integer number (192190867).

Almost surely, 2^384381733 is an apocalyptic number.

It is an amenable number.

384381733 is a deficient number, since it is larger than the sum of its proper divisors (1).

384381733 is an equidigital number, since it uses as much as digits as its factorization.

384381733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 384381733 is about 19605.6556381061. The cubic root of 384381733 is about 727.0890097609.

The spelling of 384381733 in words is "three hundred eighty-four million, three hundred eighty-one thousand, seven hundred thirty-three".