489435994 has 4 divisors (see below), whose sum is σ = 734153994. Its totient is φ = 244717996.

The previous prime is 489435949. The next prime is 489436007. The reversal of 489435994 is 499534984.

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., 267813225 + 221622769 = 16365^2 + 14887^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122358997 + ... + 122359000.

Almost surely, 2^489435994 is an apocalyptic number.

489435994 is a deficient number, since it is larger than the sum of its proper divisors (244718000).

489435994 is a wasteful number, since it uses less digits than its factorization.

489435994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244717999.

The product of its digits is 5598720, while the sum is 55.

The square root of 489435994 is about 22123.2003561872. The cubic root of 489435994 is about 788.0709189610.

The spelling of 489435994 in words is "four hundred eighty-nine million, four hundred thirty-five thousand, nine hundred ninety-four".