384644121 has 8 divisors (see below), whose sum is σ = 514752384. Its totient is φ = 255482640.

The previous prime is 384644107. The next prime is 384644123. The reversal of 384644121 is 121446483.

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

It is not a de Polignac number, because 384644121 - 2⁷ = 384643993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384644123) 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, 235746 + ... + 237371.

It is an arithmetic number, because the mean of its divisors is an integer number (64344048).

Almost surely, 2^384644121 is an apocalyptic number.

It is an amenable number.

384644121 is a deficient number, since it is larger than the sum of its proper divisors (130108263).

384644121 is a wasteful number, since it uses less digits than its factorization.

384644121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473391.

The product of its digits is 18432, while the sum is 33.

The square root of 384644121 is about 19612.3461370638. The cubic root of 384644121 is about 727.2544148093.

The spelling of 384644121 in words is "three hundred eighty-four million, six hundred forty-four thousand, one hundred twenty-one".