489906249 has 8 divisors (see below), whose sum is σ = 746523840. Its totient is φ = 279946416.

The previous prime is 489906229. The next prime is 489906269. The reversal of 489906249 is 942609984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (489906229) and next prime (489906269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489906249 - 2⁷ = 489906121 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489906229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11664414 + ... + 11664455.

It is an arithmetic number, because the mean of its divisors is an integer number (93315480).

Almost surely, 2^489906249 is an apocalyptic number.

It is an amenable number.

489906249 is a deficient number, since it is larger than the sum of its proper divisors (256617591).

489906249 is a wasteful number, since it uses less digits than its factorization.

489906249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23328879.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 489906249 is about 22133.8259006436. The cubic root of 489906249 is about 788.3232336440.

The spelling of 489906249 in words is "four hundred eighty-nine million, nine hundred six thousand, two hundred forty-nine".