489967965 has 48 divisors (see below), whose sum is σ = 938366208. Its totient is φ = 235243008.

The previous prime is 489967957. The next prime is 489967967. The reversal of 489967965 is 569769984.

It is a happy number.

489967965 is a `hidden beast` number, since 489 + 9 + 67 + 96 + 5 = 666.

It is not a de Polignac number, because 489967965 - 2³ = 489967957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489967967) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3672 + ... + 31518.

It is an arithmetic number, because the mean of its divisors is an integer number (19549296).

Almost surely, 2^489967965 is an apocalyptic number.

489967965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489967965 is a deficient number, since it is larger than the sum of its proper divisors (448398243).

489967965 is a wasteful number, since it uses less digits than its factorization.

489967965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27898 (or 27895 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The square root of 489967965 is about 22135.2200124598. The cubic root of 489967965 is about 788.3563352928.

The spelling of 489967965 in words is "four hundred eighty-nine million, nine hundred sixty-seven thousand, nine hundred sixty-five".