493067728 has 20 divisors (see below), whose sum is σ = 1011514500. Its totient is φ = 232031744.

The previous prime is 493067723. The next prime is 493067737. The reversal of 493067728 is 827760394.

It can be written as a sum of positive squares in 2 ways, for example, as 399520144 + 93547584 = 19988^2 + 9672^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493067723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906103 + ... + 906646.

It is an arithmetic number, because the mean of its divisors is an integer number (50575725).

Almost surely, 2^493067728 is an apocalyptic number.

It is an amenable number.

493067728 is an abundant number, since it is smaller than the sum of its proper divisors (518446772).

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

493067728 is a wasteful number, since it uses less digits than its factorization.

493067728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812774 (or 1812768 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 493067728 is about 22205.1284166519. The cubic root of 493067728 is about 790.0153433969.

The spelling of 493067728 in words is "four hundred ninety-three million, sixty-seven thousand, seven hundred twenty-eight".