2009698 has 8 divisors (see below), whose sum is σ = 3044700. Its totient is φ = 994800.

The previous prime is 2009669. The next prime is 2009713. The reversal of 2009698 is 8969002.

It can be written as a sum of positive squares in 2 ways, for example, as 1896129 + 113569 = 1377^2 + 337^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4773 + ... + 5176.

2^2009698 is an apocalyptic number.

2009698 is a deficient number, since it is larger than the sum of its proper divisors (1035002).

2009698 is a wasteful number, since it uses less digits than its factorization.

2009698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10052.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 2009698 is about 1417.6381766868. The cubic root of 2009698 is about 126.1954219538.

The spelling of 2009698 in words is "two million, nine thousand, six hundred ninety-eight".