538380 has 48 divisors (see below), whose sum is σ = 1676640. Its totient is φ = 143424.

The previous prime is 538367. The next prime is 538397. The reversal of 538380 is 83835.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (34930).

2⁵³⁸³⁸⁰ 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 538380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838320).

538380 is an abundant number, since it is smaller than the sum of its proper divisors (1138260).

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

538380 is a wasteful number, since it uses less digits than its factorization.

538380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 538380 is about 733.7438245055. The cubic root of 538380 is about 81.3510144008.

The spelling of 538380 in words is "five hundred thirty-eight thousand, three hundred eighty".