384270 has 16 divisors (see below), whose sum is σ = 922320. Its totient is φ = 102464.

The previous prime is 384259. The next prime is 384277. The reversal of 384270 is 72483.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 384270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384277) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6375 + ... + 6434.

It is an arithmetic number, because the mean of its divisors is an integer number (57645).

2³⁸⁴²⁷⁰ is an apocalyptic number.

384270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

384270 is an abundant number, since it is smaller than the sum of its proper divisors (538050).

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

384270 is a wasteful number, since it uses less digits than its factorization.

384270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12819.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 384270 is about 619.8951524250. The cubic root of 384270 is about 72.7018552277.

The spelling of 384270 in words is "three hundred eighty-four thousand, two hundred seventy".