538708 has 6 divisors (see below), whose sum is σ = 942746. Its totient is φ = 269352.

The previous prime is 538697. The next prime is 538709. The reversal of 538708 is 807835.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 17424 = 722^2 + 132^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 538708.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67335 + ... + 67342.

2⁵³⁸⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

538708 is a deficient number, since it is larger than the sum of its proper divisors (404038).

538708 is a wasteful number, since it uses less digits than its factorization.

538708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134681 (or 134679 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 538708 is about 733.9673017240. The cubic root of 538708 is about 81.3675316785.

The spelling of 538708 in words is "five hundred thirty-eight thousand, seven hundred eight".