489938907 has 8 divisors (see below), whose sum is σ = 663002176. Its totient is φ = 321750792.

The previous prime is 489938903. The next prime is 489938909. The reversal of 489938907 is 709839984.

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

It is not a de Polignac number, because 489938907 - 2² = 489938903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489938903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218553 + ... + 1218954.

It is an arithmetic number, because the mean of its divisors is an integer number (82875272).

Almost surely, 2^489938907 is an apocalyptic number.

489938907 is a deficient number, since it is larger than the sum of its proper divisors (173063269).

489938907 is a wasteful number, since it uses less digits than its factorization.

489938907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437577.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The square root of 489938907 is about 22134.5636279553. The cubic root of 489938907 is about 788.3407502527.

The spelling of 489938907 in words is "four hundred eighty-nine million, nine hundred thirty-eight thousand, nine hundred seven".