2009712 has 40 divisors (see below), whose sum is σ = 5245200. Its totient is φ = 663040.

The previous prime is 2009669. The next prime is 2009713. The reversal of 2009712 is 2179002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009713) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7012 + ... + 7292.

It is an arithmetic number, because the mean of its divisors is an integer number (131130).

2^2009712 is an apocalyptic number.

It is an amenable number.

2009712 is an abundant number, since it is smaller than the sum of its proper divisors (3235488).

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

2009712 is a wasteful number, since it uses less digits than its factorization.

2009712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 2009712 is about 1417.6431144685. The cubic root of 2009712 is about 126.1957149882.

The spelling of 2009712 in words is "two million, nine thousand, seven hundred twelve".