384666 has 16 divisors (see below), whose sum is σ = 782688. Its totient is φ = 126000.

The previous prime is 384641. The next prime is 384673. The reversal of 384666 is 666483.

384666 is a modest number, since divided by 666 gives 384 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 384666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 891.

It is an arithmetic number, because the mean of its divisors is an integer number (48918).

2³⁸⁴⁶⁶⁶ is an apocalyptic number.

384666 is an abundant number, since it is smaller than the sum of its proper divisors (398022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

384666 is a wasteful number, since it uses less digits than its factorization.

384666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117.

The product of its digits is 20736, while the sum is 33.

The square root of 384666 is about 620.2144790312. The cubic root of 384666 is about 72.7268203570.

The spelling of 384666 in words is "three hundred eighty-four thousand, six hundred sixty-six".