489250407 has 4 divisors (see below), whose sum is σ = 652333880. Its totient is φ = 326166936.

The previous prime is 489250403. The next prime is 489250409. The reversal of 489250407 is 704052984.

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

It is not a de Polignac number, because 489250407 - 2² = 489250403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489250403) 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, 81541732 + ... + 81541737.

It is an arithmetic number, because the mean of its divisors is an integer number (163083470).

Almost surely, 2^489250407 is an apocalyptic number.

489250407 is a deficient number, since it is larger than the sum of its proper divisors (163083473).

489250407 is a wasteful number, since it uses less digits than its factorization.

489250407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163083472.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 489250407 is about 22119.0055608294. The cubic root of 489250407 is about 787.9712980304.

The spelling of 489250407 in words is "four hundred eighty-nine million, two hundred fifty thousand, four hundred seven".