489457311 has 16 divisors (see below), whose sum is σ = 756973824. Its totient is φ = 275514624.

The previous prime is 489457291. The next prime is 489457327. The reversal of 489457311 is 113754984.

It is a happy number.

It is not a de Polignac number, because 489457311 - 2¹⁷ = 489326239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489457361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172530 + ... + 175343.

It is an arithmetic number, because the mean of its divisors is an integer number (47310864).

Almost surely, 2^489457311 is an apocalyptic number.

489457311 is a deficient number, since it is larger than the sum of its proper divisors (267516513).

489457311 is a wasteful number, since it uses less digits than its factorization.

489457311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347950.

The product of its digits is 120960, while the sum is 42.

The square root of 489457311 is about 22123.6821302422. The cubic root of 489457311 is about 788.0823600647.

The spelling of 489457311 in words is "four hundred eighty-nine million, four hundred fifty-seven thousand, three hundred eleven".