489299747 has 4 divisors (see below), whose sum is σ = 492871416. Its totient is φ = 485728080.

The previous prime is 489299737. The next prime is 489299771. The reversal of 489299747 is 747992984.

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 489299747 - 2⁴ = 489299731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489299737) 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, 1785629 + ... + 1785902.

It is an arithmetic number, because the mean of its divisors is an integer number (123217854).

Almost surely, 2^489299747 is an apocalyptic number.

489299747 is a deficient number, since it is larger than the sum of its proper divisors (3571669).

489299747 is a wasteful number, since it uses less digits than its factorization.

489299747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571668.

The product of its digits is 9144576, while the sum is 59.

The square root of 489299747 is about 22120.1208631418. The cubic root of 489299747 is about 787.9977856234.

The spelling of 489299747 in words is "four hundred eighty-nine million, two hundred ninety-nine thousand, seven hundred forty-seven".