489766431 has 32 divisors (see below), whose sum is σ = 833107968. Its totient is φ = 248502240.

The previous prime is 489766423. The next prime is 489766451. The reversal of 489766431 is 134667984.

It is not a de Polignac number, because 489766431 - 2³ = 489766423 is a prime.

It is a super-2 number, since 2×489766431² = 479742313868955522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489766451) 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 31 ways as a sum of consecutive naturals, for example, 14721 + ... + 34586.

It is an arithmetic number, because the mean of its divisors is an integer number (26034624).

Almost surely, 2^489766431 is an apocalyptic number.

489766431 is a deficient number, since it is larger than the sum of its proper divisors (343341537).

489766431 is a wasteful number, since it uses less digits than its factorization.

489766431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49371.

The product of its digits is 870912, while the sum is 48.

The square root of 489766431 is about 22130.6672063903. The cubic root of 489766431 is about 788.2482313584.

The spelling of 489766431 in words is "four hundred eighty-nine million, seven hundred sixty-six thousand, four hundred thirty-one".