493779656 has 16 divisors (see below), whose sum is σ = 955703040. Its totient is φ = 238925520.

The previous prime is 493779613. The next prime is 493779659. The reversal of 493779656 is 656977394.

It is not an unprimeable number, because it can be changed into a prime (493779659) 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, 995276 + ... + 995771.

It is an arithmetic number, because the mean of its divisors is an integer number (59731440).

Almost surely, 2^493779656 is an apocalyptic number.

It is an amenable number.

493779656 is a deficient number, since it is larger than the sum of its proper divisors (461923384).

493779656 is a wasteful number, since it uses less digits than its factorization.

493779656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991084 (or 1991080 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 56.

The square root of 493779656 is about 22221.1533454049. The cubic root of 493779656 is about 790.3953882560.

The spelling of 493779656 in words is "four hundred ninety-three million, seven hundred seventy-nine thousand, six hundred fifty-six".