498781788 has 48 divisors (see below), whose sum is σ = 1206485280. Its totient is φ = 160190464.

The previous prime is 498781741. The next prime is 498781799. The reversal of 498781788 is 887187894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205156 + ... + 207572.

It is an arithmetic number, because the mean of its divisors is an integer number (25135110).

Almost surely, 2^498781788 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 498781788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603242640).

498781788 is an abundant number, since it is smaller than the sum of its proper divisors (707703492).

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

498781788 is a wasteful number, since it uses less digits than its factorization.

498781788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046 (or 3044 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 60.

The square root of 498781788 is about 22333.4231142474. The cubic root of 498781788 is about 793.0554047670.

The spelling of 498781788 in words is "four hundred ninety-eight million, seven hundred eighty-one thousand, seven hundred eighty-eight".