498256 has 40 divisors (see below), whose sum is σ = 1116000. Its totient is φ = 213120.

The previous prime is 498227. The next prime is 498257. The reversal of 498256 is 652894.

498256 = 19² + 20² + ... + 114².

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498257) by changing a digit.

498256 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 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 3418.

It is an arithmetic number, because the mean of its divisors is an integer number (27900).

498256 is a Friedman number, since it can be written as (82-6)*(9^4-5), using all its digits and the basic arithmetic operations.

2⁴⁹⁸²⁵⁶ 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 498256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558000).

498256 is an abundant number, since it is smaller than the sum of its proper divisors (617744).

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

498256 is a wasteful number, since it uses less digits than its factorization.

498256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 498256 is about 705.8725097353. The cubic root of 498256 is about 79.2776641836.

The spelling of 498256 in words is "four hundred ninety-eight thousand, two hundred fifty-six".