492845728 has 24 divisors (see below), whose sum is σ = 988600788. Its totient is φ = 241772544.

The previous prime is 492845701. The next prime is 492845753. The reversal of 492845728 is 827548294.

It can be written as a sum of positive squares in 2 ways, for example, as 436475664 + 56370064 = 20892^2 + 7508^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143601 + ... + 146992.

Almost surely, 2^492845728 is an apocalyptic number.

It is an amenable number.

492845728 is an abundant number, since it is smaller than the sum of its proper divisors (495755060).

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

492845728 is a wasteful number, since it uses less digits than its factorization.

492845728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290656 (or 290648 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 492845728 is about 22200.1290086342. The cubic root of 492845728 is about 789.8967594617.

The spelling of 492845728 in words is "four hundred ninety-two million, eight hundred forty-five thousand, seven hundred twenty-eight".