438488 has 16 divisors (see below), whose sum is σ = 837000. Its totient is φ = 215296.

The previous prime is 438479. The next prime is 438499. The reversal of 438488 is 884834.

It is a super-2 number, since 2×438488² = 384543452288, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 438488.

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, 8 + ... + 936.

2⁴³⁸⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

438488 is a deficient number, since it is larger than the sum of its proper divisors (398512).

438488 is a wasteful number, since it uses less digits than its factorization.

438488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 990 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 438488 is about 662.1842643857. The cubic root of 438488 is about 75.9718270461.

The spelling of 438488 in words is "four hundred thirty-eight thousand, four hundred eighty-eight".