489885783 has 4 divisors (see below), whose sum is σ = 653181048. Its totient is φ = 326590520.

The previous prime is 489885769. The next prime is 489885811. The reversal of 489885783 is 387588984.

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 489885783 - 2¹⁸ = 489623639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489885743) 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, 81647628 + ... + 81647633.

It is an arithmetic number, because the mean of its divisors is an integer number (163295262).

Almost surely, 2^489885783 is an apocalyptic number.

489885783 is a deficient number, since it is larger than the sum of its proper divisors (163295265).

489885783 is a wasteful number, since it uses less digits than its factorization.

489885783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163295264.

The product of its digits is 15482880, while the sum is 60.

The square root of 489885783 is about 22133.3635717665. The cubic root of 489885783 is about 788.3122560008.

The spelling of 489885783 in words is "four hundred eighty-nine million, eight hundred eighty-five thousand, seven hundred eighty-three".