498378 has 8 divisors (see below), whose sum is σ = 996768. Its totient is φ = 166124.

The previous prime is 498367. The next prime is 498391. The reversal of 498378 is 873894.

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

498378 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

498378 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41526 + ... + 41537.

It is an arithmetic number, because the mean of its divisors is an integer number (124596).

2⁴⁹⁸³⁷⁸ is an apocalyptic number.

498378 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.

498378 is a wasteful number, since it uses less digits than its factorization.

498378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83068.

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

The square root of 498378 is about 705.9589223177. The cubic root of 498378 is about 79.2841341413.

The spelling of 498378 in words is "four hundred ninety-eight thousand, three hundred seventy-eight".