493316487 has 14 divisors (see below), whose sum is σ = 739637472. Its totient is φ = 328877172.

The previous prime is 493316479. The next prime is 493316503. The reversal of 493316487 is 784613394.

It is not a de Polignac number, because 493316487 - 2³ = 493316479 is a prime.

It is a super-2 number, since 2×493316487² = 486722312692042338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493316987) 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 13 ways as a sum of consecutive naturals, for example, 337623 + ... + 339080.

It is an arithmetic number, because the mean of its divisors is an integer number (52831248).

Almost surely, 2^493316487 is an apocalyptic number.

493316487 is a deficient number, since it is larger than the sum of its proper divisors (246320985).

493316487 is an frugal number, since it uses more digits than its factorization.

493316487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676721 (or 676706 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 493316487 is about 22210.7290965425. The cubic root of 493316487 is about 790.1481786887.

The spelling of 493316487 in words is "four hundred ninety-three million, three hundred sixteen thousand, four hundred eighty-seven".