384995953 has 2 divisors, whose sum is σ = 384995954. Its totient is φ = 384995952.

The previous prime is 384995939. The next prime is 384995959. The reversal of 384995953 is 359599483.

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., 349390864 + 35605089 = 18692^2 + 5967^2 .

It is an emirp because it is prime and its reverse (359599483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384995953 - 2⁵ = 384995921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384995894 and 384995903.

It is not a weakly prime, because it can be changed into another prime (384995959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192497976 + 192497977.

It is an arithmetic number, because the mean of its divisors is an integer number (192497977).

Almost surely, 2^384995953 is an apocalyptic number.

It is an amenable number.

384995953 is a deficient number, since it is larger than the sum of its proper divisors (1).

384995953 is an equidigital number, since it uses as much as digits as its factorization.

384995953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5248800, while the sum is 55.

The square root of 384995953 is about 19621.3137429684. The cubic root of 384995953 is about 727.4760858607.

The spelling of 384995953 in words is "three hundred eighty-four million, nine hundred ninety-five thousand, nine hundred fifty-three".