493711889 has 8 divisors (see below), whose sum is σ = 541416960. Its totient is φ = 446477200.

The previous prime is 493711849. The next prime is 493711901. The reversal of 493711889 is 988117394.

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 493711889 - 2⁸ = 493711633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (493711819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115394 + ... + 119595.

It is an arithmetic number, because the mean of its divisors is an integer number (67677120).

Almost surely, 2^493711889 is an apocalyptic number.

It is an amenable number.

493711889 is a deficient number, since it is larger than the sum of its proper divisors (47705071).

493711889 is a wasteful number, since it uses less digits than its factorization.

493711889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235191.

The product of its digits is 435456, while the sum is 50.

The square root of 493711889 is about 22219.6284622403. The cubic root of 493711889 is about 790.3592282845.

The spelling of 493711889 in words is "four hundred ninety-three million, seven hundred eleven thousand, eight hundred eighty-nine".