493549 has 4 divisors (see below), whose sum is σ = 564064. Its totient is φ = 423036.

The previous prime is 493541. The next prime is 493567. The reversal of 493549 is 945394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 945394 = 2 ⋅472697.

It is a cyclic number.

It is not a de Polignac number, because 493549 - 2³ = 493541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493541) 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 3 ways as a sum of consecutive naturals, for example, 35247 + ... + 35260.

It is an arithmetic number, because the mean of its divisors is an integer number (141016).

2⁴⁹³⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

493549 is a deficient number, since it is larger than the sum of its proper divisors (70515).

493549 is an equidigital number, since it uses as much as digits as its factorization.

493549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70514.

The product of its digits is 19440, while the sum is 34.

The square root of 493549 is about 702.5304263874. The cubic root of 493549 is about 79.0272298378.

The spelling of 493549 in words is "four hundred ninety-three thousand, five hundred forty-nine".