2070209 has 8 divisors (see below), whose sum is σ = 2239488. Its totient is φ = 1906240.

The previous prime is 2070203. The next prime is 2070217. The reversal of 2070209 is 9020702.

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

It is a cyclic number.

It is not a de Polignac number, because 2070209 - 2⁸ = 2069953 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2070203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 2094.

It is an arithmetic number, because the mean of its divisors is an integer number (279936).

2^2070209 is an apocalyptic number.

It is an amenable number.

2070209 is a deficient number, since it is larger than the sum of its proper divisors (169279).

2070209 is a wasteful number, since it uses less digits than its factorization.

2070209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2070209 is about 1438.8220876814. The cubic root of 2070209 is about 127.4494788946.

The spelling of 2070209 in words is "two million, seventy thousand, two hundred nine".