539849 has 2 divisors, whose sum is σ = 539850. Its totient is φ = 539848.

The previous prime is 539843. The next prime is 539863. The reversal of 539849 is 948935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 40000 = 707^2 + 200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539849 is a prime.

It is not a weakly prime, because it can be changed into another prime (539843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269924 + 269925.

It is an arithmetic number, because the mean of its divisors is an integer number (269925).

2⁵³⁹⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

539849 is a deficient number, since it is larger than the sum of its proper divisors (1).

539849 is an equidigital number, since it uses as much as digits as its factorization.

539849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 539849 is about 734.7441731651. The cubic root of 539849 is about 81.4249374743.

The spelling of 539849 in words is "five hundred thirty-nine thousand, eight hundred forty-nine".