384433157 has 2 divisors, whose sum is σ = 384433158. Its totient is φ = 384433156.

The previous prime is 384433151. The next prime is 384433171. The reversal of 384433157 is 751334483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365344996 + 19088161 = 19114^2 + 4369^2 .

It is an emirp because it is prime and its reverse (751334483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384433157 - 2⁴ = 384433141 is a prime.

It is a Chen prime.

It is equal to p_20549819 and since 384433157 and 20549819 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 384433157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384433151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192216578 + 192216579.

It is an arithmetic number, because the mean of its divisors is an integer number (192216579).

Almost surely, 2^384433157 is an apocalyptic number.

It is an amenable number.

384433157 is a deficient number, since it is larger than the sum of its proper divisors (1).

384433157 is an equidigital number, since it uses as much as digits as its factorization.

384433157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 384433157 is about 19606.9670525556. The cubic root of 384433157 is about 727.1214325278.

The spelling of 384433157 in words is "three hundred eighty-four million, four hundred thirty-three thousand, one hundred fifty-seven".