384658 has 8 divisors (see below), whose sum is σ = 583740. Its totient is φ = 190080.

The previous prime is 384641. The next prime is 384673. The reversal of 384658 is 856483.

It can be written as a sum of positive squares in 2 ways, for example, as 380689 + 3969 = 617^2 + 63^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903 + ... + 1258.

2³⁸⁴⁶⁵⁸ is an apocalyptic number.

384658 is a deficient number, since it is larger than the sum of its proper divisors (199082).

384658 is a wasteful number, since it uses less digits than its factorization.

384658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252.

The product of its digits is 23040, while the sum is 34.

The square root of 384658 is about 620.2080296159. The cubic root of 384658 is about 72.7263161806.

It can be divided in two parts, 38465 and 8, that multiplied together give a triangular number (307720 = T₇₈₄).

The spelling of 384658 in words is "three hundred eighty-four thousand, six hundred fifty-eight".