489830 has 32 divisors (see below), whose sum is σ = 991008. Its totient is φ = 172800.

The previous prime is 489823. The next prime is 489833. The reversal of 489830 is 38984.

489830 = T₉₅ + T₉₆ + ... + T₁₅₅.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489833) by changing a digit.

489830 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6674 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (30969).

2⁴⁸⁹⁸³⁰ is an apocalyptic number.

489830 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489830 is a wasteful number, since it uses less digits than its factorization.

489830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 489830 is about 699.8785608947. The cubic root of 489830 is about 78.8282333317.

The spelling of 489830 in words is "four hundred eighty-nine thousand, eight hundred thirty".