384912001 has 2 divisors, whose sum is σ = 384912002. Its totient is φ = 384912000.

The previous prime is 384911993. The next prime is 384912043. The reversal of 384912001 is 100219483.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293231376 + 91680625 = 17124^2 + 9575^2 .

It is a cyclic number.

It is not a de Polignac number, because 384912001 - 2³ = 384911993 is a prime.

It is not a weakly prime, because it can be changed into another prime (384912071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192456000 + 192456001.

It is an arithmetic number, because the mean of its divisors is an integer number (192456001).

Almost surely, 2^384912001 is an apocalyptic number.

It is an amenable number.

384912001 is a deficient number, since it is larger than the sum of its proper divisors (1).

384912001 is an equidigital number, since it uses as much as digits as its factorization.

384912001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 384912001 is about 19619.1743200370. The cubic root of 384912001 is about 727.4232043419.

The spelling of 384912001 in words is "three hundred eighty-four million, nine hundred twelve thousand, one".