384679 has 4 divisors (see below), whose sum is σ = 397120. Its totient is φ = 372240.

The previous prime is 384673. The next prime is 384691. The reversal of 384679 is 976483.

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 384679 - 2¹¹ = 382631 is a prime.

It is a Duffinian number.

384679 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6174 + ... + 6235.

It is an arithmetic number, because the mean of its divisors is an integer number (99280).

2³⁸⁴⁶⁷⁹ is an apocalyptic number.

384679 is a deficient number, since it is larger than the sum of its proper divisors (12441).

384679 is a wasteful number, since it uses less digits than its factorization.

384679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12440.

The product of its digits is 36288, while the sum is 37.

The square root of 384679 is about 620.2249591882. The cubic root of 384679 is about 72.7276396288.

The spelling of 384679 in words is "three hundred eighty-four thousand, six hundred seventy-nine".