438087 has 16 divisors (see below), whose sum is σ = 645120. Its totient is φ = 262752.

The previous prime is 438049. The next prime is 438091. The reversal of 438087 is 780834.

It is not a de Polignac number, because 438087 - 2⁷ = 437959 is a prime.

438087 is a lucky number.

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 438087.

It is not an unprimeable number, because it can be changed into a prime (438017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714 + ... + 1952.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2⁴³⁸⁰⁸⁷ is an apocalyptic number.

438087 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

438087 is a deficient number, since it is larger than the sum of its proper divisors (207033).

438087 is a wasteful number, since it uses less digits than its factorization.

438087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 438087 is about 661.8814093174. The cubic root of 438087 is about 75.9486610803.

The spelling of 438087 in words is "four hundred thirty-eight thousand, eighty-seven".