493128792 has 144 divisors (see below), whose sum is σ = 1528712640. Its totient is φ = 142728192.

The previous prime is 493128791. The next prime is 493128803. The reversal of 493128792 is 297821394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493128791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 269593 + ... + 271415.

It is an arithmetic number, because the mean of its divisors is an integer number (10616060).

Almost surely, 2^493128792 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 493128792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764356320).

493128792 is an abundant number, since it is smaller than the sum of its proper divisors (1035583848).

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

493128792 is a wasteful number, since it uses less digits than its factorization.

493128792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1858 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 493128792 is about 22206.5033717603. The cubic root of 493128792 is about 790.0479552153.

The spelling of 493128792 in words is "four hundred ninety-three million, one hundred twenty-eight thousand, seven hundred ninety-two".