438799 has 4 divisors (see below), whose sum is σ = 453960. Its totient is φ = 423640.

The previous prime is 438793. The next prime is 438827. The reversal of 438799 is 997834.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 438799 - 2⁷ = 438671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7537 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (113490).

2⁴³⁸⁷⁹⁹ is an apocalyptic number.

438799 is a deficient number, since it is larger than the sum of its proper divisors (15161).

438799 is a wasteful number, since it uses less digits than its factorization.

438799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160.

The product of its digits is 54432, while the sum is 40.

The square root of 438799 is about 662.4190516584. The cubic root of 438799 is about 75.9897839454.

The spelling of 438799 in words is "four hundred thirty-eight thousand, seven hundred ninety-nine".