493775738 has 16 divisors (see below), whose sum is σ = 753986880. Its totient is φ = 242484000.

The previous prime is 493775731. The next prime is 493775773. The reversal of 493775738 is 837577394.

It is a self number, because there is not a number n which added to its sum of digits gives 493775738.

It is not an unprimeable number, because it can be changed into a prime (493775731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17693 + ... + 36063.

It is an arithmetic number, because the mean of its divisors is an integer number (47124180).

Almost surely, 2^493775738 is an apocalyptic number.

493775738 is a deficient number, since it is larger than the sum of its proper divisors (260211142).

493775738 is a wasteful number, since it uses less digits than its factorization.

493775738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18613.

The product of its digits is 4445280, while the sum is 53.

The square root of 493775738 is about 22221.0651859896. The cubic root of 493775738 is about 790.3932977302.

The spelling of 493775738 in words is "four hundred ninety-three million, seven hundred seventy-five thousand, seven hundred thirty-eight".