493810657 has 8 divisors (see below), whose sum is σ = 502159680. Its totient is φ = 485531280.

The previous prime is 493810651. The next prime is 493810661. The reversal of 493810657 is 756018394.

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 493810657 - 2²⁷ = 359592929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493810651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013 + ... + 31570.

It is an arithmetic number, because the mean of its divisors is an integer number (62769960).

Almost surely, 2^493810657 is an apocalyptic number.

It is an amenable number.

493810657 is a deficient number, since it is larger than the sum of its proper divisors (8349023).

493810657 is a wasteful number, since it uses less digits than its factorization.

493810657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34823.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 493810657 is about 22221.8508905086. The cubic root of 493810657 is about 790.4119290580.

The spelling of 493810657 in words is "four hundred ninety-three million, eight hundred ten thousand, six hundred fifty-seven".