438252 has 24 divisors (see below), whose sum is σ = 1041600. Its totient is φ = 143376.

The previous prime is 438241. The next prime is 438253. The reversal of 438252 is 252834.

It is not an unprimeable number, because it can be changed into a prime (438253) by changing a digit.

438252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399 + ... + 1017.

It is an arithmetic number, because the mean of its divisors is an integer number (43400).

2⁴³⁸²⁵² is an apocalyptic number.

It is an amenable number.

438252 is an abundant number, since it is smaller than the sum of its proper divisors (603348).

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

438252 is a wasteful number, since it uses less digits than its factorization.

438252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 683 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 438252 is about 662.0060422685. The cubic root of 438252 is about 75.9581949218.

The spelling of 438252 in words is "four hundred thirty-eight thousand, two hundred fifty-two".