489340431 has 6 divisors (see below), whose sum is σ = 706825080. Its totient is φ = 326226948.

The previous prime is 489340399. The next prime is 489340447. The reversal of 489340431 is 134043984.

It is not a de Polignac number, because 489340431 - 2⁵ = 489340399 is a prime.

It is a super-2 number, since 2×489340431² = 478908114822531522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489340031) 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 5 ways as a sum of consecutive naturals, for example, 27185571 + ... + 27185588.

It is an arithmetic number, because the mean of its divisors is an integer number (117804180).

Almost surely, 2^489340431 is an apocalyptic number.

489340431 is a deficient number, since it is larger than the sum of its proper divisors (217484649).

489340431 is a wasteful number, since it uses less digits than its factorization.

489340431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54371165 (or 54371162 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 489340431 is about 22121.0404592551. The cubic root of 489340431 is about 788.0196250062.

The spelling of 489340431 in words is "four hundred eighty-nine million, three hundred forty thousand, four hundred thirty-one".