438867 has 36 divisors (see below), whose sum is σ = 774592. Its totient is φ = 237600.

The previous prime is 438853. The next prime is 438869. The reversal of 438867 is 768834.

It is not a de Polignac number, because 438867 - 2⁸ = 438611 is a prime.

Its product of digits (32256) is a multiple of the sum of its prime factors (72).

It is not an unprimeable number, because it can be changed into a prime (438869) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14142 + ... + 14172.

2⁴³⁸⁸⁶⁷ is an apocalyptic number.

438867 is a deficient number, since it is larger than the sum of its proper divisors (335725).

438867 is a wasteful number, since it uses less digits than its factorization.

438867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 58 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 438867 is about 662.4703766962. The cubic root of 438867 is about 75.9937090822.

The spelling of 438867 in words is "four hundred thirty-eight thousand, eight hundred sixty-seven".