493390 has 8 divisors (see below), whose sum is σ = 888120. Its totient is φ = 197352.

The previous prime is 493369. The next prime is 493393. The reversal of 493390 is 93394.

493390 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24660 + ... + 24679.

It is an arithmetic number, because the mean of its divisors is an integer number (111015).

2⁴⁹³³⁹⁰ is an apocalyptic number.

493390 is a deficient number, since it is larger than the sum of its proper divisors (394730).

493390 is a wasteful number, since it uses less digits than its factorization.

493390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49346.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 493390 is about 702.4172549133. The cubic root of 493390 is about 79.0187425487.

The spelling of 493390 in words is "four hundred ninety-three thousand, three hundred ninety".