489640335 has 16 divisors (see below), whose sum is σ = 784510944. Its totient is φ = 260779392.

The previous prime is 489640303. The next prime is 489640357. The reversal of 489640335 is 533046984.

It is not a de Polignac number, because 489640335 - 2⁵ = 489640303 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11272 + ... + 33261.

It is an arithmetic number, because the mean of its divisors is an integer number (49031934).

Almost surely, 2^489640335 is an apocalyptic number.

489640335 is a deficient number, since it is larger than the sum of its proper divisors (294870609).

489640335 is a wasteful number, since it uses less digits than its factorization.

489640335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45274.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 489640335 is about 22127.8181256083. The cubic root of 489640335 is about 788.1805776947.

The spelling of 489640335 in words is "four hundred eighty-nine million, six hundred forty thousand, three hundred thirty-five".