438541 has 6 divisors (see below), whose sum is σ = 458990. Its totient is φ = 418968.

The previous prime is 438533. The next prime is 438551. The reversal of 438541 is 145834.

It can be written as a sum of positive squares in only one way, i.e., 385641 + 52900 = 621^2 + 230^2 .

It is not a de Polignac number, because 438541 - 2³ = 438533 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115 + ... + 943.

2⁴³⁸⁵⁴¹ is an apocalyptic number.

It is an amenable number.

438541 is a deficient number, since it is larger than the sum of its proper divisors (20449).

438541 is an equidigital number, since it uses as much as digits as its factorization.

438541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 852 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 438541 is about 662.2242822488. The cubic root of 438541 is about 75.9748878251.

Subtracting from 438541 its sum of digits (25), we obtain a triangular number (438516 = T₉₃₆).

It can be divided in two parts, 438 and 541, that added together give a palindrome (979).

The spelling of 438541 in words is "four hundred thirty-eight thousand, five hundred forty-one".