538966 has 8 divisors (see below), whose sum is σ = 834624. Its totient is φ = 260760.

The previous prime is 538943. The next prime is 538987. The reversal of 538966 is 669835.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

538966 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285 + ... + 4408.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

2⁵³⁸⁹⁶⁶ is an apocalyptic number.

538966 is a deficient number, since it is larger than the sum of its proper divisors (295658).

538966 is a wasteful number, since it uses less digits than its factorization.

538966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8726.

The product of its digits is 38880, while the sum is 37.

The square root of 538966 is about 734.1430378339. The cubic root of 538966 is about 81.3805192170.

The spelling of 538966 in words is "five hundred thirty-eight thousand, nine hundred sixty-six".