384499 has 4 divisors (see below), whose sum is σ = 388336. Its totient is φ = 380664.

The previous prime is 384497. The next prime is 384509. The reversal of 384499 is 994483.

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 384499 - 2¹ = 384497 is a prime.

It is a Duffinian number.

384499 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384497) 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, 1764 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (97084).

2³⁸⁴⁴⁹⁹ is an apocalyptic number.

384499 is a deficient number, since it is larger than the sum of its proper divisors (3837).

384499 is a wasteful number, since it uses less digits than its factorization.

384499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its digits is 31104, while the sum is 37.

The square root of 384499 is about 620.0798335698. The cubic root of 384499 is about 72.7162942235.

The spelling of 384499 in words is "three hundred eighty-four thousand, four hundred ninety-nine".