1009828 has 6 divisors (see below), whose sum is σ = 1767206. Its totient is φ = 504912.

The previous prime is 1009819. The next prime is 1009837. The reversal of 1009828 is 8289001.

1009828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1009819) and next prime (1009837).

It can be written as a sum of positive squares in only one way, i.e., 831744 + 178084 = 912^2 + 422^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1009796 and 1009805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126225 + ... + 126232.

2^1009828 is an apocalyptic number.

It is an amenable number.

1009828 is a deficient number, since it is larger than the sum of its proper divisors (757378).

1009828 is a wasteful number, since it uses less digits than its factorization.

1009828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252461 (or 252459 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1009828 is about 1004.9019852702. The cubic root of 1009828 is about 100.3265326040.

The spelling of 1009828 in words is "one million, nine thousand, eight hundred twenty-eight".