489000838 has 16 divisors (see below), whose sum is σ = 766713600. Its totient is φ = 233466376.

The previous prime is 489000829. The next prime is 489000847. The reversal of 489000838 is 838000984.

It is an interprime number because it is at equal distance from previous prime (489000829) and next prime (489000847).

It is a self number, because there is not a number n which added to its sum of digits gives 489000838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18681 + ... + 36427.

It is an arithmetic number, because the mean of its divisors is an integer number (47919600).

Almost surely, 2^489000838 is an apocalyptic number.

489000838 is a deficient number, since it is larger than the sum of its proper divisors (277712762).

489000838 is a wasteful number, since it uses less digits than its factorization.

489000838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18371.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 489000838 is about 22113.3633353228. The cubic root of 489000838 is about 787.8372925849.

The spelling of 489000838 in words is "four hundred eighty-nine million, eight hundred thirty-eight", and thus it is an aban number.