538412 has 36 divisors (see below), whose sum is σ = 1139544. Its totient is φ = 221760.

The previous prime is 538411. The next prime is 538423. The reversal of 538412 is 214835.

It is not an unprimeable number, because it can be changed into a prime (538411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8003 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (31654).

538412 is a Friedman number, since it can be written as 41*(5+3^8)*2, using all its digits and the basic arithmetic operations.

2⁵³⁸⁴¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569772).

538412 is an abundant number, since it is smaller than the sum of its proper divisors (601132).

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

538412 is a wasteful number, since it uses less digits than its factorization.

538412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 117 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 538412 is about 733.7656301572. The cubic root of 538412 is about 81.3526261378.

The spelling of 538412 in words is "five hundred thirty-eight thousand, four hundred twelve".