438086 has 8 divisors (see below), whose sum is σ = 716904. Its totient is φ = 199120.

The previous prime is 438049. The next prime is 438091. The reversal of 438086 is 680834.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

438086 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 9935 + ... + 9978.

It is an arithmetic number, because the mean of its divisors is an integer number (89613).

2⁴³⁸⁰⁸⁶ is an apocalyptic number.

438086 is a deficient number, since it is larger than the sum of its proper divisors (278818).

438086 is a wasteful number, since it uses less digits than its factorization.

438086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19926.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 438086 is about 661.8806538946. The cubic root of 438086 is about 75.9486032921.

The spelling of 438086 in words is "four hundred thirty-eight thousand, eighty-six".