382644 has 30 divisors (see below), whose sum is σ = 1001154. Its totient is φ = 127440.

The previous prime is 382643. The next prime is 382649. The reversal of 382644 is 446283.

It can be written as a sum of positive squares in only one way, i.e., 374544 + 8100 = 612^2 + 90^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (382643) 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 9 ways as a sum of consecutive naturals, for example, 267 + ... + 914.

2³⁸²⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

382644 is an abundant number, since it is smaller than the sum of its proper divisors (618510).

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

382644 is a wasteful number, since it uses less digits than its factorization.

382644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197 (or 1186 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 382644 is about 618.5822499878. The cubic root of 382644 is about 72.5991667140.

The spelling of 382644 in words is "three hundred eighty-two thousand, six hundred forty-four".