384957213 has 32 divisors (see below), whose sum is σ = 543960576. Its totient is φ = 241855488.

The previous prime is 384957203. The next prime is 384957227. The reversal of 384957213 is 312759483.

It is not a de Polignac number, because 384957213 - 2¹³ = 384949021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384957203) 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 31 ways as a sum of consecutive naturals, for example, 589195 + ... + 589847.

It is an arithmetic number, because the mean of its divisors is an integer number (16998768).

Almost surely, 2^384957213 is an apocalyptic number.

It is an amenable number.

384957213 is a deficient number, since it is larger than the sum of its proper divisors (159003363).

384957213 is a wasteful number, since it uses less digits than its factorization.

384957213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853.

The product of its digits is 181440, while the sum is 42.

The square root of 384957213 is about 19620.3265263349. The cubic root of 384957213 is about 727.4516844190.

The spelling of 384957213 in words is "three hundred eighty-four million, nine hundred fifty-seven thousand, two hundred thirteen".