539389 has 2 divisors, whose sum is σ = 539390. Its totient is φ = 539388.

The previous prime is 539351. The next prime is 539401. The reversal of 539389 is 983935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466489 + 72900 = 683^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 539389 - 2⁷ = 539261 is a prime.

539389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269694 + 269695.

It is an arithmetic number, because the mean of its divisors is an integer number (269695).

2⁵³⁹³⁸⁹ is an apocalyptic number.

It is an amenable number.

539389 is a deficient number, since it is larger than the sum of its proper divisors (1).

539389 is an equidigital number, since it uses as much as digits as its factorization.

539389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 539389 is about 734.4310723274. The cubic root of 539389 is about 81.4018037741.

The spelling of 539389 in words is "five hundred thirty-nine thousand, three hundred eighty-nine".