380644 has 24 divisors (see below), whose sum is σ = 747936. Its totient is φ = 168000.

The previous prime is 380641. The next prime is 380651. The reversal of 380644 is 446083.

It is not an unprimeable number, because it can be changed into a prime (380641) 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, 1699 + ... + 1909.

It is an arithmetic number, because the mean of its divisors is an integer number (31164).

2³⁸⁰⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

380644 is a deficient number, since it is larger than the sum of its proper divisors (367292).

380644 is a wasteful number, since it uses less digits than its factorization.

380644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 380644 is about 616.9635321476. The cubic root of 380644 is about 72.4724588216.

It can be divided in two parts, 380 and 644, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 380644 in words is "three hundred eighty thousand, six hundred forty-four".