493518828 has 90 divisors (see below), whose sum is σ = 1291041220. Its totient is φ = 146729440.

The previous prime is 493518827. The next prime is 493518833. The reversal of 493518828 is 828815394.

It is not an unprimeable number, because it can be changed into a prime (493518827) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 9311650 + ... + 9311702.

Almost surely, 2^493518828 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 493518828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645520610).

493518828 is an abundant number, since it is smaller than the sum of its proper divisors (797522392).

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

493518828 is an equidigital number, since it uses as much as digits as its factorization.

493518828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 69 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 493518828 is about 22215.2836578784. The cubic root of 493518828 is about 790.2561942141.

Multiplying 493518828 by its sum of digits (48), we get a square (23688903744 = 153912²).

The spelling of 493518828 in words is "four hundred ninety-three million, five hundred eighteen thousand, eight hundred twenty-eight".