538679 has 4 divisors (see below), whose sum is σ = 570384. Its totient is φ = 506976.

The previous prime is 538651. The next prime is 538697. The reversal of 538679 is 976835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538679 - 2⁸ = 538423 is a prime.

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, 15827 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (142596).

2⁵³⁸⁶⁷⁹ is an apocalyptic number.

538679 is a deficient number, since it is larger than the sum of its proper divisors (31705).

538679 is a wasteful number, since it uses less digits than its factorization.

538679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31704.

The product of its digits is 45360, while the sum is 38.

The square root of 538679 is about 733.9475458096. The cubic root of 538679 is about 81.3660715796.

The spelling of 538679 in words is "five hundred thirty-eight thousand, six hundred seventy-nine".