384971 has 4 divisors (see below), whose sum is σ = 391344. Its totient is φ = 378600.

The previous prime is 384961. The next prime is 384973. The reversal of 384971 is 179483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 384971 - 2⁶ = 384907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3095 + ... + 3216.

It is an arithmetic number, because the mean of its divisors is an integer number (97836).

2³⁸⁴⁹⁷¹ is an apocalyptic number.

384971 is a deficient number, since it is larger than the sum of its proper divisors (6373).

384971 is an equidigital number, since it uses as much as digits as its factorization.

384971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372.

The product of its digits is 6048, while the sum is 32.

The square root of 384971 is about 620.4603129935. The cubic root of 384971 is about 72.7460368723.

Adding to 384971 its sum of digits (32), we get a triangular number (385003 = T₈₇₇).

The spelling of 384971 in words is "three hundred eighty-four thousand, nine hundred seventy-one".