493841977 has 8 divisors (see below), whose sum is σ = 528645600. Its totient is φ = 459919584.

The previous prime is 493841963. The next prime is 493841981. The reversal of 493841977 is 779148394.

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 493841977 - 2¹⁹ = 493317689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493844977) 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, 219148 + ... + 221389.

It is an arithmetic number, because the mean of its divisors is an integer number (66080700).

Almost surely, 2^493841977 is an apocalyptic number.

It is an amenable number.

493841977 is a deficient number, since it is larger than the sum of its proper divisors (34803623).

493841977 is a wasteful number, since it uses less digits than its factorization.

493841977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440615.

The product of its digits is 1524096, while the sum is 52.

The square root of 493841977 is about 22222.5555911106. Note that the first 4 decimals coincide. The cubic root of 493841977 is about 790.4286393618.

The spelling of 493841977 in words is "four hundred ninety-three million, eight hundred forty-one thousand, nine hundred seventy-seven".