438682 has 8 divisors (see below), whose sum is σ = 660852. Its totient is φ = 218400.

The previous prime is 438671. The next prime is 438701. The reversal of 438682 is 286834.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 89401 = 591^2 + 299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582 + ... + 1102.

2⁴³⁸⁶⁸² is an apocalyptic number.

438682 is a deficient number, since it is larger than the sum of its proper divisors (222170).

438682 is a wasteful number, since it uses less digits than its factorization.

438682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its digits is 9216, while the sum is 31.

The square root of 438682 is about 662.3307330934. The cubic root of 438682 is about 75.9830294518.

The spelling of 438682 in words is "four hundred thirty-eight thousand, six hundred eighty-two".