489678562 has 4 divisors (see below), whose sum is σ = 734517846. Its totient is φ = 244839280.

The previous prime is 489678529. The next prime is 489678587. The reversal of 489678562 is 265876984.

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., 314672121 + 175006441 = 17739^2 + 13229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122419639 + ... + 122419642.

Almost surely, 2^489678562 is an apocalyptic number.

489678562 is a deficient number, since it is larger than the sum of its proper divisors (244839284).

489678562 is a wasteful number, since it uses less digits than its factorization.

489678562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244839283.

The product of its digits is 5806080, while the sum is 55.

The square root of 489678562 is about 22128.6818857337. The cubic root of 489678562 is about 788.2010886648.

The spelling of 489678562 in words is "four hundred eighty-nine million, six hundred seventy-eight thousand, five hundred sixty-two".