538427 has 4 divisors (see below), whose sum is σ = 548640. Its totient is φ = 528216.

The previous prime is 538423. The next prime is 538457. The reversal of 538427 is 724835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724835 = 5 ⋅144967.

It is a cyclic number.

It is not a de Polignac number, because 538427 - 2² = 538423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538427.

It is not an unprimeable number, because it can be changed into a prime (538423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027 + ... + 5132.

It is an arithmetic number, because the mean of its divisors is an integer number (137160).

2⁵³⁸⁴²⁷ is an apocalyptic number.

538427 is a deficient number, since it is larger than the sum of its proper divisors (10213).

538427 is a wasteful number, since it uses less digits than its factorization.

538427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212.

The product of its digits is 6720, while the sum is 29.

The square root of 538427 is about 733.7758513334. The cubic root of 538427 is about 81.3533816176.

The spelling of 538427 in words is "five hundred thirty-eight thousand, four hundred twenty-seven".