384218801 has 8 divisors (see below), whose sum is σ = 386029800. Its totient is φ = 382412800.

The previous prime is 384218777. The next prime is 384218827. The reversal of 384218801 is 108812483.

It can be written as a sum of positive squares in 4 ways, for example, as 5527201 + 378691600 = 2351^2 + 19460^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-384218801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384218881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271985 + ... + 273393.

It is an arithmetic number, because the mean of its divisors is an integer number (48253725).

Almost surely, 2^384218801 is an apocalyptic number.

It is an amenable number.

384218801 is a deficient number, since it is larger than the sum of its proper divisors (1810999).

384218801 is a wasteful number, since it uses less digits than its factorization.

384218801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2499.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 384218801 is about 19601.4999681147. The cubic root of 384218801 is about 726.9862622413.

The spelling of 384218801 in words is "three hundred eighty-four million, two hundred eighteen thousand, eight hundred one".