2009682 has 24 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 665880.

The previous prime is 2009669. The next prime is 2009713. The reversal of 2009682 is 2869002.

It is a super-2 number, since 2×2009682² = 8077643482248, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5419 + ... + 5777.

It is an arithmetic number, because the mean of its divisors is an integer number (182520).

2^2009682 is an apocalyptic number.

2009682 is an abundant number, since it is smaller than the sum of its proper divisors (2370798).

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

2009682 is a wasteful number, since it uses less digits than its factorization.

2009682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2009682 is about 1417.6325334867. The cubic root of 2009682 is about 126.1950870557.

The spelling of 2009682 in words is "two million, nine thousand, six hundred eighty-two".