493389111 has 4 divisors (see below), whose sum is σ = 657852152. Its totient is φ = 328926072.

The previous prime is 493389103. The next prime is 493389157. The reversal of 493389111 is 111983394.

It is a happy number.

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

It is not a de Polignac number, because 493389111 - 2³ = 493389103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493389111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493389311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82231516 + ... + 82231521.

It is an arithmetic number, because the mean of its divisors is an integer number (164463038).

Almost surely, 2^493389111 is an apocalyptic number.

493389111 is a deficient number, since it is larger than the sum of its proper divisors (164463041).

493389111 is a wasteful number, since it uses less digits than its factorization.

493389111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164463040.

The product of its digits is 23328, while the sum is 39.

The square root of 493389111 is about 22212.3639219242. The cubic root of 493389111 is about 790.1869508949.

The spelling of 493389111 in words is "four hundred ninety-three million, three hundred eighty-nine thousand, one hundred eleven".