489927397 has 8 divisors (see below), whose sum is σ = 503720856. Its totient is φ = 476163072.

The previous prime is 489927367. The next prime is 489927443. The reversal of 489927397 is 793729984.

It can be written as a sum of positive squares in 4 ways, for example, as 361988676 + 127938721 = 19026^2 + 11311^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 489927397 - 2¹¹ = 489925349 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 (489927367) 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 7 ways as a sum of consecutive naturals, for example, 29373 + ... + 42925.

It is an arithmetic number, because the mean of its divisors is an integer number (62965107).

Almost surely, 2^489927397 is an apocalyptic number.

It is an amenable number.

489927397 is a deficient number, since it is larger than the sum of its proper divisors (13793459).

489927397 is a wasteful number, since it uses less digits than its factorization.

489927397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14567.

The product of its digits is 6858432, while the sum is 58.

The square root of 489927397 is about 22134.3036258203. The cubic root of 489927397 is about 788.3345767802.

The spelling of 489927397 in words is "four hundred eighty-nine million, nine hundred twenty-seven thousand, three hundred ninety-seven".