489378 has 8 divisors (see below), whose sum is σ = 978768. Its totient is φ = 163124.

The previous prime is 489367. The next prime is 489389. The reversal of 489378 is 873984.

It is an interprime number because it is at equal distance from previous prime (489367) and next prime (489389).

It is a sphenic number, since it is the product of 3 distinct primes.

489378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40776 + ... + 40787.

It is an arithmetic number, because the mean of its divisors is an integer number (122346).

2⁴⁸⁹³⁷⁸ is an apocalyptic number.

489378 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.

489378 is a wasteful number, since it uses less digits than its factorization.

489378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81568.

The product of its digits is 48384, while the sum is 39.

The square root of 489378 is about 699.5555732034. Note that the first 4 decimals coincide. The cubic root of 489378 is about 78.8039791166.

The spelling of 489378 in words is "four hundred eighty-nine thousand, three hundred seventy-eight".