489941239 has 8 divisors (see below), whose sum is σ = 538151040. Its totient is φ = 443973816.

The previous prime is 489941237. The next prime is 489941261. The reversal of 489941239 is 932149984.

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 489941239 - 2¹ = 489941237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489941192 and 489941201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489941237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560137 + ... + 561010.

It is an arithmetic number, because the mean of its divisors is an integer number (67268880).

Almost surely, 2^489941239 is an apocalyptic number.

489941239 is a deficient number, since it is larger than the sum of its proper divisors (48209801).

489941239 is a wasteful number, since it uses less digits than its factorization.

489941239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121189.

The product of its digits is 559872, while the sum is 49.

The square root of 489941239 is about 22134.6163056873. The cubic root of 489941239 is about 788.3420010261.

The spelling of 489941239 in words is "four hundred eighty-nine million, nine hundred forty-one thousand, two hundred thirty-nine".