438842 has 8 divisors (see below), whose sum is σ = 669600. Its totient is φ = 215644.

The previous prime is 438833. The next prime is 438847. The reversal of 438842 is 248834.

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

It is not an unprimeable number, because it can be changed into a prime (438847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742 + ... + 1977.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

2⁴³⁸⁸⁴² is an apocalyptic number.

438842 is a deficient number, since it is larger than the sum of its proper divisors (230758).

438842 is a wasteful number, since it uses less digits than its factorization.

438842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780.

The product of its digits is 6144, while the sum is 29.

The square root of 438842 is about 662.4515076592. The cubic root of 438842 is about 75.9922660643.

The spelling of 438842 in words is "four hundred thirty-eight thousand, eight hundred forty-two".