538452 has 18 divisors (see below), whose sum is σ = 1361178. Its totient is φ = 179472.

The previous prime is 538423. The next prime is 538457. The reversal of 538452 is 254835.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 133956 = 636^2 + 366^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538457) by changing a digit.

538452 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 5 ways as a sum of consecutive naturals, for example, 7443 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (75621).

2⁵³⁸⁴⁵² is an apocalyptic number.

It is an amenable number.

538452 is an abundant number, since it is smaller than the sum of its proper divisors (822726).

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

538452 is a wasteful number, since it uses less digits than its factorization.

538452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967 (or 14962 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 538452 is about 733.7928863106. The cubic root of 538452 is about 81.3546407193.

It can be divided in two parts, 538 and 452, that added together give a triangular number (990 = T₄₄).

The spelling of 538452 in words is "five hundred thirty-eight thousand, four hundred fifty-two".