829845728 has 24 divisors (see below), whose sum is σ = 1656774000. Its totient is φ = 409077760.

The previous prime is 829845697. The next prime is 829845743. The reversal of 829845728 is 827548928.

It is a self number, because there is not a number n which added to its sum of digits gives 829845728.

It is a congruent number.

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, 180353 + ... + 184896.

It is an arithmetic number, because the mean of its divisors is an integer number (69032250).

Almost surely, 2^829845728 is an apocalyptic number.

It is an amenable number.

829845728 is a deficient number, since it is larger than the sum of its proper divisors (826928272).

829845728 is a wasteful number, since it uses less digits than its factorization.

829845728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365330 (or 365322 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 829845728 is about 28807.0430277042. The cubic root of 829845728 is about 939.7214083115.

The spelling of 829845728 in words is "eight hundred twenty-nine million, eight hundred forty-five thousand, seven hundred twenty-eight".