384284253 has 16 divisors (see below), whose sum is σ = 562798080. Its totient is φ = 232152624.

The previous prime is 384284227. The next prime is 384284309. The reversal of 384284253 is 352482483.

It is not a de Polignac number, because 384284253 - 2⁹ = 384283741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384284053) 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 in 15 ways as a sum of consecutive naturals, for example, 145251 + ... + 147872.

It is an arithmetic number, because the mean of its divisors is an integer number (35174880).

Almost surely, 2^384284253 is an apocalyptic number.

It is an amenable number.

384284253 is a deficient number, since it is larger than the sum of its proper divisors (178513827).

384284253 is a wasteful number, since it uses less digits than its factorization.

384284253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293168.

The product of its digits is 184320, while the sum is 39.

The square root of 384284253 is about 19603.1694631251. The cubic root of 384284253 is about 727.0275408071.

The spelling of 384284253 in words is "three hundred eighty-four million, two hundred eighty-four thousand, two hundred fifty-three".