384291 has 16 divisors (see below), whose sum is σ = 584320. Its totient is φ = 249480.

The previous prime is 384289. The next prime is 384299. The reversal of 384291 is 192483.

384291 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 384291 - 2¹ = 384289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

384291 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (384299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996 + ... + 1326.

It is an arithmetic number, because the mean of its divisors is an integer number (36520).

2³⁸⁴²⁹¹ is an apocalyptic number.

384291 is a deficient number, since it is larger than the sum of its proper divisors (200029).

384291 is a wasteful number, since it uses less digits than its factorization.

384291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 377 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 384291 is about 619.9120905419. The cubic root of 384291 is about 72.7031795666.

The spelling of 384291 in words is "three hundred eighty-four thousand, two hundred ninety-one".