498784 has 48 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 207360.

The previous prime is 498781. The next prime is 498787. The reversal of 498784 is 487894.

It is an interprime number because it is at equal distance from previous prime (498781) and next prime (498787).

It is an Ulam number.

It is a zygodrome in base 2.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4522 + ... + 4630.

It is an arithmetic number, because the mean of its divisors is an integer number (24255).

2⁴⁹⁸⁷⁸⁴ is an apocalyptic number.

498784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582120).

498784 is an abundant number, since it is smaller than the sum of its proper divisors (665456).

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

498784 is a wasteful number, since it uses less digits than its factorization.

498784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 135 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 498784 is about 706.2464159201. The cubic root of 498784 is about 79.3056577114.

The spelling of 498784 in words is "four hundred ninety-eight thousand, seven hundred eighty-four".