384606143 has 2 divisors, whose sum is σ = 384606144. Its totient is φ = 384606142.

The previous prime is 384606139. The next prime is 384606221. The reversal of 384606143 is 341606483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384606143 - 2² = 384606139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384606643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192303071 + 192303072.

It is an arithmetic number, because the mean of its divisors is an integer number (192303072).

Almost surely, 2^384606143 is an apocalyptic number.

384606143 is a deficient number, since it is larger than the sum of its proper divisors (1).

384606143 is an equidigital number, since it uses as much as digits as its factorization.

384606143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 384606143 is about 19611.3778965171. The cubic root of 384606143 is about 727.2304787640.

The spelling of 384606143 in words is "three hundred eighty-four million, six hundred six thousand, one hundred forty-three".