538658 has 8 divisors (see below), whose sum is σ = 827820. Its totient is φ = 262720.

The previous prime is 538651. The next prime is 538697. The reversal of 538658 is 856835.

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 1369 = 733^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538658.

It is not an unprimeable number, because it can be changed into a prime (538651) 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, 3203 + ... + 3366.

2⁵³⁸⁶⁵⁸ is an apocalyptic number.

538658 is a deficient number, since it is larger than the sum of its proper divisors (289162).

538658 is a wasteful number, since it uses less digits than its factorization.

538658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6612.

The product of its digits is 28800, while the sum is 35.

The square root of 538658 is about 733.9332394707. The cubic root of 538658 is about 81.3650142340.

The spelling of 538658 in words is "five hundred thirty-eight thousand, six hundred fifty-eight".