2009782828 has 12 divisors (see below), whose sum is σ = 3538698520. Its totient is φ = 998726112.

The previous prime is 2009782763. The next prime is 2009782829. The reversal of 2009782828 is 8282879002.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2009782829) 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, 1540593 + ... + 1541896.

Almost surely, 2^2009782828 is an apocalyptic number.

It is an amenable number.

2009782828 is a deficient number, since it is larger than the sum of its proper divisors (1528915692).

2009782828 is a wasteful number, since it uses less digits than its factorization.

2009782828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082656 (or 3082654 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 2009782828 is about 44830.6014681936. The cubic root of 2009782828 is about 1261.9719747009.

The spelling of 2009782828 in words is "two billion, nine million, seven hundred eighty-two thousand, eight hundred twenty-eight".