493117238 has 8 divisors (see below), whose sum is σ = 746857488. Its totient is φ = 244164744.

The previous prime is 493117231. The next prime is 493117259. The reversal of 493117238 is 832711394.

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

It is a super-2 number, since 2×493117238² = 486329220825497288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493117231) 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 3 ways as a sum of consecutive naturals, for example, 1196681 + ... + 1197092.

It is an arithmetic number, because the mean of its divisors is an integer number (93357186).

Almost surely, 2^493117238 is an apocalyptic number.

493117238 is a deficient number, since it is larger than the sum of its proper divisors (253740250).

493117238 is a wasteful number, since it uses less digits than its factorization.

493117238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393878.

The product of its digits is 36288, while the sum is 38.

The square root of 493117238 is about 22206.2432212205. The cubic root of 493117238 is about 790.0417848966.

The spelling of 493117238 in words is "four hundred ninety-three million, one hundred seventeen thousand, two hundred thirty-eight".