489982946 has 4 divisors (see below), whose sum is σ = 734974422. Its totient is φ = 244991472.

The previous prime is 489982919. The next prime is 489982951. The reversal of 489982946 is 649289984.

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., 480091921 + 9891025 = 21911^2 + 3145^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122495735 + ... + 122495738.

Almost surely, 2^489982946 is an apocalyptic number.

489982946 is a deficient number, since it is larger than the sum of its proper divisors (244991476).

489982946 is a wasteful number, since it uses less digits than its factorization.

489982946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244991475.

The product of its digits is 8957952, while the sum is 59.

The square root of 489982946 is about 22135.5584072325. The cubic root of 489982946 is about 788.3643699990.

The spelling of 489982946 in words is "four hundred eighty-nine million, nine hundred eighty-two thousand, nine hundred forty-six".