493438605 has 24 divisors (see below), whose sum is σ = 867802656. Its totient is φ = 239242080.

The previous prime is 493438591. The next prime is 493438613. The reversal of 493438605 is 506834394.

It is not a de Polignac number, because 493438605 - 2⁶ = 493438541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134119 + ... + 137748.

It is an arithmetic number, because the mean of its divisors is an integer number (36158444).

Almost surely, 2^493438605 is an apocalyptic number.

It is an amenable number.

493438605 is a deficient number, since it is larger than the sum of its proper divisors (374364051).

493438605 is a wasteful number, since it uses less digits than its factorization.

493438605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271897 (or 271886 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 493438605 is about 22213.4780032304. The cubic root of 493438605 is about 790.2133723706.

The spelling of 493438605 in words is "four hundred ninety-three million, four hundred thirty-eight thousand, six hundred five".