539992 has 8 divisors (see below), whose sum is σ = 1012500. Its totient is φ = 269992.

The previous prime is 539947. The next prime is 539993. The reversal of 539992 is 299935.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539993) by changing a digit.

539992 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 as a sum of consecutive naturals, namely, 33742 + ... + 33757.

2⁵³⁹⁹⁹² is an apocalyptic number.

It is an amenable number.

539992 is a deficient number, since it is larger than the sum of its proper divisors (472508).

539992 is a wasteful number, since it uses less digits than its factorization.

539992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67505 (or 67501 counting only the distinct ones).

The product of its digits is 21870, while the sum is 37.

The square root of 539992 is about 734.8414795043. The cubic root of 539992 is about 81.4321263599.

The spelling of 539992 in words is "five hundred thirty-nine thousand, nine hundred ninety-two".