498780 has 72 divisors (see below), whose sum is σ = 1611792. Its totient is φ = 124416.

The previous prime is 498779. The next prime is 498781. The reversal of 498780 is 87894.

It is an interprime number because it is at equal distance from previous prime (498779) and next prime (498781).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498781) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2979 + ... + 3141.

It is an arithmetic number, because the mean of its divisors is an integer number (22386).

2⁴⁹⁸⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805896).

498780 is an abundant number, since it is smaller than the sum of its proper divisors (1113012).

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

498780 is a wasteful number, since it uses less digits than its factorization.

498780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 498780 is about 706.2435840417. The cubic root of 498780 is about 79.3054457135.

The spelling of 498780 in words is "four hundred ninety-eight thousand, seven hundred eighty".