538648 has 16 divisors (see below), whose sum is σ = 1101960. Its totient is φ = 244800.

The previous prime is 538621. The next prime is 538649. The reversal of 538648 is 846835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2973 + ... + 3148.

2⁵³⁸⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

538648 is an abundant number, since it is smaller than the sum of its proper divisors (563312).

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

538648 is a wasteful number, since it uses less digits than its factorization.

538648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138 (or 6134 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 538648 is about 733.9264268304. The cubic root of 538648 is about 81.3645107264.

The spelling of 538648 in words is "five hundred thirty-eight thousand, six hundred forty-eight".