384458 has 4 divisors (see below), whose sum is σ = 576690. Its totient is φ = 192228.

The previous prime is 384437. The next prime is 384469. The reversal of 384458 is 854483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854483 = 7 ⋅122069.

It can be written as a sum of positive squares in only one way, i.e., 332929 + 51529 = 577^2 + 227^2 .

It is an unprimeable number.

384458 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96113 + ... + 96116.

2³⁸⁴⁴⁵⁸ is an apocalyptic number.

384458 is a deficient number, since it is larger than the sum of its proper divisors (192232).

384458 is a wasteful number, since it uses less digits than its factorization.

384458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192231.

The product of its digits is 15360, while the sum is 32.

The square root of 384458 is about 620.0467724293. The cubic root of 384458 is about 72.7137094972.

The spelling of 384458 in words is "three hundred eighty-four thousand, four hundred fifty-eight".