489797361 has 12 divisors (see below), whose sum is σ = 733688592. Its totient is φ = 326531412.

The previous prime is 489797339. The next prime is 489797381. The reversal of 489797361 is 163797984.

It is a happy number.

It is not a de Polignac number, because 489797361 - 2¹⁰ = 489796337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489797298 and 489797307.

It is not an unprimeable number, because it can be changed into a prime (489797381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007571 + ... + 1008056.

It is an arithmetic number, because the mean of its divisors is an integer number (61140716).

Almost surely, 2^489797361 is an apocalyptic number.

It is an amenable number.

489797361 is a deficient number, since it is larger than the sum of its proper divisors (243891231).

489797361 is an equidigital number, since it uses as much as digits as its factorization.

489797361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015642 (or 2015630 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 489797361 is about 22131.3659994136. The cubic root of 489797361 is about 788.2648243049.

The spelling of 489797361 in words is "four hundred eighty-nine million, seven hundred ninety-seven thousand, three hundred sixty-one".