489680234 has 4 divisors (see below), whose sum is σ = 734520354. Its totient is φ = 244840116.

The previous prime is 489680207. The next prime is 489680267. The reversal of 489680234 is 432086984.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 412293025 + 77387209 = 20305^2 + 8797^2 .

It is a Curzon number.

It is a plaindrome in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122420057 + ... + 122420060.

Almost surely, 2^489680234 is an apocalyptic number.

489680234 is a deficient number, since it is larger than the sum of its proper divisors (244840120).

489680234 is a wasteful number, since it uses less digits than its factorization.

489680234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244840119.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 489680234 is about 22128.7196647253. The cubic root of 489680234 is about 788.2019857640.

The spelling of 489680234 in words is "four hundred eighty-nine million, six hundred eighty thousand, two hundred thirty-four".