489582405 has 96 divisors (see below), whose sum is σ = 1018967040. Its totient is φ = 214824960.

The previous prime is 489582403. The next prime is 489582419. The reversal of 489582405 is 504285984.

It is not a de Polignac number, because 489582405 - 2¹ = 489582403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489582403) 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 95 ways as a sum of consecutive naturals, for example, 187660 + ... + 190250.

It is an arithmetic number, because the mean of its divisors is an integer number (10614240).

Almost surely, 2^489582405 is an apocalyptic number.

489582405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489582405 is an abundant number, since it is smaller than the sum of its proper divisors (529384635).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489582405 is a wasteful number, since it uses less digits than its factorization.

489582405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651 (or 2648 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 489582405 is about 22126.5091010760. The cubic root of 489582405 is about 788.1494929042.

The spelling of 489582405 in words is "four hundred eighty-nine million, five hundred eighty-two thousand, four hundred five".