498540 has 48 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 113856.

The previous prime is 498527. The next prime is 498551. The reversal of 498540 is 45894.

498540 = T₅₇ + T₅₈ + ... + T₁₄₆.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 498498 and 498507.

It is an unprimeable number.

498540 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 15 ways as a sum of consecutive naturals, for example, 174 + ... + 1013.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2⁴⁹⁸⁵⁴⁰ 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 498540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798336).

498540 is an abundant number, since it is smaller than the sum of its proper divisors (1098132).

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

498540 is a wasteful number, since it uses less digits than its factorization.

498540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 498540 is about 706.0736505493. The cubic root of 498540 is about 79.2927237649.

The spelling of 498540 in words is "four hundred ninety-eight thousand, five hundred forty".