489859249 has 4 divisors (see below), whose sum is σ = 534391920. Its totient is φ = 445326580.

The previous prime is 489859247. The next prime is 489859289. The reversal of 489859249 is 942958984.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 489859249 - 2¹ = 489859247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489859193 and 489859202.

It is not an unprimeable number, because it can be changed into a prime (489859247) 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, 22266319 + ... + 22266340.

It is an arithmetic number, because the mean of its divisors is an integer number (133597980).

Almost surely, 2^489859249 is an apocalyptic number.

It is an amenable number.

489859249 is a deficient number, since it is larger than the sum of its proper divisors (44532671).

489859249 is a wasteful number, since it uses less digits than its factorization.

489859249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44532670.

The product of its digits is 7464960, while the sum is 58.

The square root of 489859249 is about 22132.7641518180. The cubic root of 489859249 is about 788.2980231219.

The spelling of 489859249 in words is "four hundred eighty-nine million, eight hundred fifty-nine thousand, two hundred forty-nine".