489093907 has 4 divisors (see below), whose sum is σ = 489376576. Its totient is φ = 488811240.

The previous prime is 489093883. The next prime is 489093923. The reversal of 489093907 is 709390984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489093907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489693907) 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 3 ways as a sum of consecutive naturals, for example, 138723 + ... + 142204.

It is an arithmetic number, because the mean of its divisors is an integer number (122344144).

Almost surely, 2^489093907 is an apocalyptic number.

489093907 is a deficient number, since it is larger than the sum of its proper divisors (282669).

489093907 is a wasteful number, since it uses less digits than its factorization.

489093907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282668.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 489093907 is about 22115.4675962323. The cubic root of 489093907 is about 787.8872710798.

It can be divided in two parts, 489093 and 907, that added together give a square (490000 = 700²).

The spelling of 489093907 in words is "four hundred eighty-nine million, ninety-three thousand, nine hundred seven".