384448189 has 8 divisors (see below), whose sum is σ = 393956640. Its totient is φ = 375039600.

The previous prime is 384448187. The next prime is 384448199. The reversal of 384448189 is 981844483.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 384448189 - 2¹ = 384448187 is a prime.

It is a super-3 number, since 3×384448189³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384448187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17142 + ... + 32599.

It is an arithmetic number, because the mean of its divisors is an integer number (49244580).

Almost surely, 2^384448189 is an apocalyptic number.

It is an amenable number.

384448189 is a deficient number, since it is larger than the sum of its proper divisors (9508451).

384448189 is a wasteful number, since it uses less digits than its factorization.

384448189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49931.

The product of its digits is 884736, while the sum is 49.

The square root of 384448189 is about 19607.3503819359. The cubic root of 384448189 is about 727.1309096387.

The spelling of 384448189 in words is "three hundred eighty-four million, four hundred forty-eight thousand, one hundred eighty-nine".