438382 has 16 divisors (see below), whose sum is σ = 760032. Its totient is φ = 185760.

The previous prime is 438377. The next prime is 438391. The reversal of 438382 is 283834.

It is a self number, because there is not a number n which added to its sum of digits gives 438382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2332 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (47502).

2⁴³⁸³⁸² is an apocalyptic number.

438382 is a deficient number, since it is larger than the sum of its proper divisors (321650).

438382 is a wasteful number, since it uses less digits than its factorization.

438382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363.

The product of its digits is 4608, while the sum is 28.

The square root of 438382 is about 662.1042214032. The cubic root of 438382 is about 75.9657047481.

It can be divided in two parts, 4383 and 82, that added together give a triangular number (4465 = T₉₄).

The spelling of 438382 in words is "four hundred thirty-eight thousand, three hundred eighty-two".