493949855 has 8 divisors (see below), whose sum is σ = 677416992. Its totient is φ = 338708448.

The previous prime is 493949851. The next prime is 493949867. The reversal of 493949855 is 558949394.

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 493949855 - 2² = 493949851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493949855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493949851) 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 7 ways as a sum of consecutive naturals, for example, 7056392 + ... + 7056461.

It is an arithmetic number, because the mean of its divisors is an integer number (84677124).

Almost surely, 2^493949855 is an apocalyptic number.

493949855 is a deficient number, since it is larger than the sum of its proper divisors (183467137).

493949855 is a wasteful number, since it uses less digits than its factorization.

493949855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14112865.

The product of its digits is 6998400, while the sum is 56.

The square root of 493949855 is about 22224.9826771586. The cubic root of 493949855 is about 790.4861906005.

The spelling of 493949855 in words is "four hundred ninety-three million, nine hundred forty-nine thousand, eight hundred fifty-five".