489404399 has 8 divisors (see below), whose sum is σ = 534224592. Its totient is φ = 444639040.

The previous prime is 489404393. The next prime is 489404407. The reversal of 489404399 is 993404984.

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 489404399 - 2²⁰ = 488355823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489404393) 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, 6227 + ... + 31899.

It is an arithmetic number, because the mean of its divisors is an integer number (66778074).

Almost surely, 2^489404399 is an apocalyptic number.

489404399 is a deficient number, since it is larger than the sum of its proper divisors (44820193).

489404399 is a wasteful number, since it uses less digits than its factorization.

489404399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27417.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 489404399 is about 22122.4862752811. The cubic root of 489404399 is about 788.0539609135.

The spelling of 489404399 in words is "four hundred eighty-nine million, four hundred four thousand, three hundred ninety-nine".