493459639 has 8 divisors (see below), whose sum is σ = 511818048. Its totient is φ = 475365600.

The previous prime is 493459609. The next prime is 493459649. The reversal of 493459639 is 936954394.

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

It is a cyclic number.

It is not a de Polignac number, because 493459639 - 2⁵ = 493459607 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 (493459609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62287 + ... + 69760.

It is an arithmetic number, because the mean of its divisors is an integer number (63977256).

Almost surely, 2^493459639 is an apocalyptic number.

493459639 is a deficient number, since it is larger than the sum of its proper divisors (18358409).

493459639 is a wasteful number, since it uses less digits than its factorization.

493459639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132185.

The product of its digits is 3149280, while the sum is 52.

The square root of 493459639 is about 22213.9514494833. The cubic root of 493459639 is about 790.2246004557.

The spelling of 493459639 in words is "four hundred ninety-three million, four hundred fifty-nine thousand, six hundred thirty-nine".