2047009 has 4 divisors (see below), whose sum is σ = 2051460. Its totient is φ = 2042560.

The previous prime is 2046983. The next prime is 2047037. The reversal of 2047009 is 9007402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 429025 + 1617984 = 655^2 + 1272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047009 - 2⁷ = 2046881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047039) 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 3 ways as a sum of consecutive naturals, for example, 1444 + ... + 2485.

It is an arithmetic number, because the mean of its divisors is an integer number (512865).

2^2047009 is an apocalyptic number.

It is an amenable number.

2047009 is a deficient number, since it is larger than the sum of its proper divisors (4451).

2047009 is an equidigital number, since it uses as much as digits as its factorization.

2047009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450.

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

The square root of 2047009 is about 1430.7372225535. The cubic root of 2047009 is about 126.9715975917.

The spelling of 2047009 in words is "two million, forty-seven thousand, nine".