384470 has 8 divisors (see below), whose sum is σ = 692064. Its totient is φ = 153784.

The previous prime is 384469. The next prime is 384473. The reversal of 384470 is 74483.

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

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19214 + ... + 19233.

It is an arithmetic number, because the mean of its divisors is an integer number (86508).

2³⁸⁴⁴⁷⁰ is an apocalyptic number.

384470 is a deficient number, since it is larger than the sum of its proper divisors (307594).

384470 is a wasteful number, since it uses less digits than its factorization.

384470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38454.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 384470 is about 620.0564490431. The cubic root of 384470 is about 72.7144660215.

The spelling of 384470 in words is "three hundred eighty-four thousand, four hundred seventy".