384787201 has 2 divisors, whose sum is σ = 384787202. Its totient is φ = 384787200.

The previous prime is 384787199. The next prime is 384787213. The reversal of 384787201 is 102787483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294156801 + 90630400 = 17151^2 + 9520^2 .

It is a cyclic number.

It is not a de Polignac number, because 384787201 - 2¹ = 384787199 is a prime.

It is a super-2 number, since 2×384787201² = 296122380106828802, which contains 22 as substring.

Together with 384787199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (384787241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192393600 + 192393601.

It is an arithmetic number, because the mean of its divisors is an integer number (192393601).

Almost surely, 2^384787201 is an apocalyptic number.

It is an amenable number.

384787201 is a deficient number, since it is larger than the sum of its proper divisors (1).

384787201 is an equidigital number, since it uses as much as digits as its factorization.

384787201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 384787201 is about 19615.9935002028. The cubic root of 384787201 is about 727.3445783799.

The spelling of 384787201 in words is "three hundred eighty-four million, seven hundred eighty-seven thousand, two hundred one".