384897 has 8 divisors (see below), whose sum is σ = 543456. Its totient is φ = 241472.

The previous prime is 384889. The next prime is 384907. The reversal of 384897 is 798483.

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 384897 - 2³ = 384889 is a prime.

It is an Ulam number.

384897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (384817) 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 7 ways as a sum of consecutive naturals, for example, 3723 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (67932).

2³⁸⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

384897 is a deficient number, since it is larger than the sum of its proper divisors (158559).

384897 is a wasteful number, since it uses less digits than its factorization.

384897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7567.

The product of its digits is 48384, while the sum is 39.

The square root of 384897 is about 620.4006769822. The cubic root of 384897 is about 72.7413754375.

The spelling of 384897 in words is "three hundred eighty-four thousand, eight hundred ninety-seven".