489364258 has 4 divisors (see below), whose sum is σ = 734046390. Its totient is φ = 244682128.

The previous prime is 489364243. The next prime is 489364259. The reversal of 489364258 is 852463984.

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., 488719449 + 644809 = 22107^2 + 803^2 .

It is not an unprimeable number, because it can be changed into a prime (489364259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122341063 + ... + 122341066.

Almost surely, 2^489364258 is an apocalyptic number.

489364258 is a deficient number, since it is larger than the sum of its proper divisors (244682132).

489364258 is a wasteful number, since it uses less digits than its factorization.

489364258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244682131.

The product of its digits is 1658880, while the sum is 49.

The square root of 489364258 is about 22121.5790123580. The cubic root of 489364258 is about 788.0324149016.

The spelling of 489364258 in words is "four hundred eighty-nine million, three hundred sixty-four thousand, two hundred fifty-eight".