489589838 has 4 divisors (see below), whose sum is σ = 734384760. Its totient is φ = 244794918.

The previous prime is 489589829. The next prime is 489589871. The reversal of 489589838 is 838985984.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122397458 + ... + 122397461.

It is an arithmetic number, because the mean of its divisors is an integer number (183596190).

Almost surely, 2^489589838 is an apocalyptic number.

489589838 is a deficient number, since it is larger than the sum of its proper divisors (244794922).

489589838 is a wasteful number, since it uses less digits than its factorization.

489589838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244794921.

The product of its digits is 19906560, while the sum is 62.

The square root of 489589838 is about 22126.6770663830. The cubic root of 489589838 is about 788.1534815317.

The spelling of 489589838 in words is "four hundred eighty-nine million, five hundred eighty-nine thousand, eight hundred thirty-eight".