384947 has 4 divisors (see below), whose sum is σ = 386400. Its totient is φ = 383496.

The previous prime is 384941. The next prime is 384961. The reversal of 384947 is 749483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749483 = 7 ⋅107069.

It is a cyclic number.

It is not a de Polignac number, because 384947 - 2⁸ = 384691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384941) 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, 203 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (96600).

2³⁸⁴⁹⁴⁷ is an apocalyptic number.

384947 is a deficient number, since it is larger than the sum of its proper divisors (1453).

384947 is a wasteful number, since it uses less digits than its factorization.

384947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 24192, while the sum is 35.

The square root of 384947 is about 620.4409722125. The cubic root of 384947 is about 72.7445251211.

It can be divided in two parts, 384 and 947, that added together give a palindrome (1331).

The spelling of 384947 in words is "three hundred eighty-four thousand, nine hundred forty-seven".