493771605 has 8 divisors (see below), whose sum is σ = 790034592. Its totient is φ = 263344848.

The previous prime is 493771589. The next prime is 493771609. The reversal of 493771605 is 506177394.

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

It is not a de Polignac number, because 493771605 - 2⁴ = 493771589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493771609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16459039 + ... + 16459068.

It is an arithmetic number, because the mean of its divisors is an integer number (98754324).

Almost surely, 2^493771605 is an apocalyptic number.

It is an amenable number.

493771605 is a deficient number, since it is larger than the sum of its proper divisors (296262987).

493771605 is a wasteful number, since it uses less digits than its factorization.

493771605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32918115.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 493771605 is about 22220.9721884530. The cubic root of 493771605 is about 790.3910924749.

The spelling of 493771605 in words is "four hundred ninety-three million, seven hundred seventy-one thousand, six hundred five".