538662 has 16 divisors (see below), whose sum is σ = 1140912. Its totient is φ = 168960.

The previous prime is 538651. The next prime is 538697. The reversal of 538662 is 266835.

It is a congruent number.

It is an unprimeable number.

538662 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2539 + ... + 2742.

It is an arithmetic number, because the mean of its divisors is an integer number (71307).

2⁵³⁸⁶⁶² is an apocalyptic number.

538662 is an abundant number, since it is smaller than the sum of its proper divisors (602250).

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

538662 is a wasteful number, since it uses less digits than its factorization.

538662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its digits is 8640, while the sum is 30.

The square root of 538662 is about 733.9359645092. The cubic root of 538662 is about 81.3652156353.

The spelling of 538662 in words is "five hundred thirty-eight thousand, six hundred sixty-two".