384890029 has 2 divisors, whose sum is σ = 384890030. Its totient is φ = 384890028.

The previous prime is 384889993. The next prime is 384890069. The reversal of 384890029 is 920098483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351562500 + 33327529 = 18750^2 + 5773^2 .

It is an emirp because it is prime and its reverse (920098483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384890029 - 2¹¹ = 384887981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384890069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192445014 + 192445015.

It is an arithmetic number, because the mean of its divisors is an integer number (192445015).

Almost surely, 2^384890029 is an apocalyptic number.

It is an amenable number.

384890029 is a deficient number, since it is larger than the sum of its proper divisors (1).

384890029 is an equidigital number, since it uses as much as digits as its factorization.

384890029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 384890029 is about 19618.6143496425. The cubic root of 384890029 is about 727.4093628693.

The spelling of 384890029 in words is "three hundred eighty-four million, eight hundred ninety thousand, twenty-nine".