493020979 has 4 divisors (see below), whose sum is σ = 537841080. Its totient is φ = 448200880.

The previous prime is 493020937. The next prime is 493021007. The reversal of 493020979 is 979020394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 493020979 - 2⁹ = 493020467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493020919) 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, 22410034 + ... + 22410055.

It is an arithmetic number, because the mean of its divisors is an integer number (134460270).

Almost surely, 2^493020979 is an apocalyptic number.

493020979 is a deficient number, since it is larger than the sum of its proper divisors (44820101).

493020979 is a wasteful number, since it uses less digits than its factorization.

493020979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44820100.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 493020979 is about 22204.0757294691. The cubic root of 493020979 is about 789.9903748226.

The spelling of 493020979 in words is "four hundred ninety-three million, twenty thousand, nine hundred seventy-nine".