384329121 has 16 divisors (see below), whose sum is σ = 572660928. Its totient is φ = 227244800.

The previous prime is 384329111. The next prime is 384329137. The reversal of 384329121 is 121923483.

It is a cyclic number.

It is not a de Polignac number, because 384329121 - 2¹³ = 384320929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (384329111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140676 + ... + 143381.

It is an arithmetic number, because the mean of its divisors is an integer number (35791308).

Almost surely, 2^384329121 is an apocalyptic number.

It is an amenable number.

384329121 is a deficient number, since it is larger than the sum of its proper divisors (188331807).

384329121 is a wasteful number, since it uses less digits than its factorization.

384329121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284112.

The product of its digits is 10368, while the sum is 33.

The square root of 384329121 is about 19604.3138365004. The cubic root of 384329121 is about 727.0558349687.

The spelling of 384329121 in words is "three hundred eighty-four million, three hundred twenty-nine thousand, one hundred twenty-one".