489353931 has 12 divisors (see below), whose sum is σ = 771103320. Its totient is φ = 296578080.

The previous prime is 489353923. The next prime is 489353933. The reversal of 489353931 is 139353984.

489353931 is a `hidden beast` number, since 4 + 89 + 3 + 539 + 31 = 666.

It is not a de Polignac number, because 489353931 - 2³ = 489353923 is a prime.

It is a super-2 number, since 2×489353931² = 478934539570305522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489353933) 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 11 ways as a sum of consecutive naturals, for example, 2471386 + ... + 2471583.

It is an arithmetic number, because the mean of its divisors is an integer number (64258610).

Almost surely, 2^489353931 is an apocalyptic number.

489353931 is a deficient number, since it is larger than the sum of its proper divisors (281749389).

489353931 is a wasteful number, since it uses less digits than its factorization.

489353931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942986 (or 4942983 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 489353931 is about 22121.3455965047. The cubic root of 489353931 is about 788.0268716089.

The spelling of 489353931 in words is "four hundred eighty-nine million, three hundred fifty-three thousand, nine hundred thirty-one".