384618 has 16 divisors (see below), whose sum is σ = 828576. Its totient is φ = 118320.

The previous prime is 384611. The next prime is 384619. The reversal of 384618 is 816483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (384611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (51786).

2³⁸⁴⁶¹⁸ is an apocalyptic number.

384618 is an abundant number, since it is smaller than the sum of its proper divisors (443958).

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

384618 is a wasteful number, since it uses less digits than its factorization.

384618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its digits is 4608, while the sum is 30.

The square root of 384618 is about 620.1757815329. The cubic root of 384618 is about 72.7237951936.

It can be divided in two parts, 38 and 4618, that added together give a triangular number (4656 = T₉₆).

The spelling of 384618 in words is "three hundred eighty-four thousand, six hundred eighteen".