502797728 has 48 divisors (see below), whose sum is σ = 1017080064. Its totient is φ = 244558080.

The previous prime is 502797689. The next prime is 502797739. The reversal of 502797728 is 827797205.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271301 + ... + 273147.

It is an arithmetic number, because the mean of its divisors is an integer number (21189168).

Almost surely, 2^502797728 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 502797728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508540032).

502797728 is an abundant number, since it is smaller than the sum of its proper divisors (514282336).

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

502797728 is a wasteful number, since it uses less digits than its factorization.

502797728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 502797728 is about 22423.1516072117. The cubic root of 502797728 is about 795.1781455398.

The spelling of 502797728 in words is "five hundred two million, seven hundred ninety-seven thousand, seven hundred twenty-eight".