493308505 has 8 divisors (see below), whose sum is σ = 594777024. Its totient is φ = 392775600.

The previous prime is 493308503. The next prime is 493308521. The reversal of 493308505 is 505803394.

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

It is not a de Polignac number, because 493308505 - 2¹ = 493308503 is a prime.

It is a super-2 number, since 2×493308505² = 486706562210670050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493308503) 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, 232741 + ... + 234850.

It is an arithmetic number, because the mean of its divisors is an integer number (74347128).

Almost surely, 2^493308505 is an apocalyptic number.

It is an amenable number.

493308505 is a deficient number, since it is larger than the sum of its proper divisors (101468519).

493308505 is a wasteful number, since it uses less digits than its factorization.

493308505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467807.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 493308505 is about 22210.5494078827. The cubic root of 493308505 is about 790.1439170589.

The spelling of 493308505 in words is "four hundred ninety-three million, three hundred eight thousand, five hundred five".