493351687 has 12 divisors (see below), whose sum is σ = 504804960. Its totient is φ = 482146112.

The previous prime is 493351669. The next prime is 493351697. The reversal of 493351687 is 786153394.

It is a de Polignac number, because none of the positive numbers 2^k-493351687 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 (493351697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 831663 + ... + 832255.

It is an arithmetic number, because the mean of its divisors is an integer number (42067080).

Almost surely, 2^493351687 is an apocalyptic number.

493351687 is a deficient number, since it is larger than the sum of its proper divisors (11453273).

493351687 is an equidigital number, since it uses as much as digits as its factorization.

493351687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950 (or 891 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 493351687 is about 22211.5214922346. The cubic root of 493351687 is about 790.1669715969.

The spelling of 493351687 in words is "four hundred ninety-three million, three hundred fifty-one thousand, six hundred eighty-seven".