538620 has 48 divisors (see below), whose sum is σ = 1548288. Its totient is φ = 139840.

The previous prime is 538597. The next prime is 538621. The reversal of 538620 is 26835.

It is a super-2 number, since 2×538620² = 580223008800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725 + ... + 2915.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2⁵³⁸⁶²⁰ 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 538620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774144).

538620 is an abundant number, since it is smaller than the sum of its proper divisors (1009668).

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

538620 is a wasteful number, since it uses less digits than its factorization.

538620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 538620 is about 733.9073511009. The cubic root of 538620 is about 81.3631008720.

The spelling of 538620 in words is "five hundred thirty-eight thousand, six hundred twenty".