489873674 has 4 divisors (see below), whose sum is σ = 734810514. Its totient is φ = 244936836.

The previous prime is 489873653. The next prime is 489873677. The reversal of 489873674 is 476378984.

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., 477728449 + 12145225 = 21857^2 + 3485^2 .

It is not an unprimeable number, because it can be changed into a prime (489873677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122468417 + ... + 122468420.

Almost surely, 2^489873674 is an apocalyptic number.

489873674 is a deficient number, since it is larger than the sum of its proper divisors (244936840).

489873674 is a wasteful number, since it uses less digits than its factorization.

489873674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244936839.

The product of its digits is 8128512, while the sum is 56.

The square root of 489873674 is about 22133.0900237631. The cubic root of 489873674 is about 788.3057607781.

The spelling of 489873674 in words is "four hundred eighty-nine million, eight hundred seventy-three thousand, six hundred seventy-four".