438750 has 80 divisors (see below), whose sum is σ = 1312080. Its totient is φ = 108000.

The previous prime is 438733. The next prime is 438761. The reversal of 438750 is 57834.

438750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

438750 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 33744 + ... + 33756.

It is an arithmetic number, because the mean of its divisors is an integer number (16401).

2⁴³⁸⁷⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (656040).

438750 is an abundant number, since it is smaller than the sum of its proper divisors (873330).

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

438750 is a wasteful number, since it uses less digits than its factorization.

438750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 438750 is about 662.3820649746. The cubic root of 438750 is about 75.9869552865.

The spelling of 438750 in words is "four hundred thirty-eight thousand, seven hundred fifty".