489661594 has 16 divisors (see below), whose sum is σ = 759531168. Its totient is φ = 236622672.

The previous prime is 489661577. The next prime is 489661609. The reversal of 489661594 is 495166984.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27372 + ... + 41575.

It is an arithmetic number, because the mean of its divisors is an integer number (47470698).

Almost surely, 2^489661594 is an apocalyptic number.

489661594 is a deficient number, since it is larger than the sum of its proper divisors (269869574).

489661594 is a wasteful number, since it uses less digits than its factorization.

489661594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69069.

The product of its digits is 1866240, while the sum is 52.

The square root of 489661594 is about 22128.2984885870. The cubic root of 489661594 is about 788.1919844948.

The spelling of 489661594 in words is "four hundred eighty-nine million, six hundred sixty-one thousand, five hundred ninety-four".