489393 has 6 divisors (see below), whose sum is σ = 706914. Its totient is φ = 326256.

The previous prime is 489389. The next prime is 489407. The reversal of 489393 is 393984.

It can be written as a sum of positive squares in only one way, i.e., 471969 + 17424 = 687^2 + 132^2 .

It is not a de Polignac number, because 489393 - 2² = 489389 is a prime.

489393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (489343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27180 + ... + 27197.

It is an arithmetic number, because the mean of its divisors is an integer number (117819).

2⁴⁸⁹³⁹³ is an apocalyptic number.

It is an amenable number.

489393 is a deficient number, since it is larger than the sum of its proper divisors (217521).

489393 is a wasteful number, since it uses less digits than its factorization.

489393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54383 (or 54380 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 489393 is about 699.5662942138. The cubic root of 489393 is about 78.8047842526.

The spelling of 489393 in words is "four hundred eighty-nine thousand, three hundred ninety-three".