538704 has 80 divisors (see below), whose sum is σ = 1636800. Its totient is φ = 169344.

The previous prime is 538697. The next prime is 538709. The reversal of 538704 is 407835.

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

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538709) 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, 12507 + ... + 12549.

It is an arithmetic number, because the mean of its divisors is an integer number (20460).

2⁵³⁸⁷⁰⁴ is an apocalyptic number.

538704 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818400).

538704 is an abundant number, since it is smaller than the sum of its proper divisors (1098096).

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

538704 is a wasteful number, since it uses less digits than its factorization.

538704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 538704 is about 733.9645768019. The cubic root of 538704 is about 81.3673302886.

The spelling of 538704 in words is "five hundred thirty-eight thousand, seven hundred four".