2009704 has 16 divisors (see below), whose sum is σ = 3788100. Its totient is φ = 999552.

The previous prime is 2009669. The next prime is 2009713. The reversal of 2009704 is 4079002.

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 44100 = 1402^2 + 210^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1284 + ... + 2380.

2^2009704 is an apocalyptic number.

It is an amenable number.

2009704 is a deficient number, since it is larger than the sum of its proper divisors (1778396).

2009704 is a wasteful number, since it uses less digits than its factorization.

2009704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2009704 is about 1417.6402928811. The cubic root of 2009704 is about 126.1955475401.

The spelling of 2009704 in words is "two million, nine thousand, seven hundred four".