382420 has 12 divisors (see below), whose sum is σ = 803124. Its totient is φ = 152960.

The previous prime is 382391. The next prime is 382427. The reversal of 382420 is 24283.

It is a happy number.

382420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 244036 + 138384 = 494^2 + 372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382427) by changing a digit.

382420 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 9541 + ... + 9580.

It is an arithmetic number, because the mean of its divisors is an integer number (66927).

2³⁸²⁴²⁰ is an apocalyptic number.

It is an amenable number.

382420 is an abundant number, since it is smaller than the sum of its proper divisors (420704).

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

382420 is a wasteful number, since it uses less digits than its factorization.

382420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19130 (or 19128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 382420 is about 618.4011642939. The cubic root of 382420 is about 72.5849974186.

It can be divided in two parts, 3824 and 20, that added together give a square (3844 = 62²).

The spelling of 382420 in words is "three hundred eighty-two thousand, four hundred twenty".