438486 has 16 divisors (see below), whose sum is σ = 886464. Its totient is φ = 144584.

The previous prime is 438479. The next prime is 438499. The reversal of 438486 is 684834.

It is a plaindrome in base 13.

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, 301 + ... + 983.

It is an arithmetic number, because the mean of its divisors is an integer number (55404).

2⁴³⁸⁴⁸⁶ is an apocalyptic number.

438486 is an abundant number, since it is smaller than the sum of its proper divisors (447978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

438486 is a wasteful number, since it uses less digits than its factorization.

438486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its digits is 18432, while the sum is 33.

The square root of 438486 is about 662.1827542303. The cubic root of 438486 is about 75.9717115402.

The spelling of 438486 in words is "four hundred thirty-eight thousand, four hundred eighty-six".