2890209 has 16 divisors (see below), whose sum is σ = 4430720. Its totient is φ = 1641600.

The previous prime is 2890207. The next prime is 2890211. The reversal of 2890209 is 9020982.

It is an interprime number because it is at equal distance from previous prime (2890207) and next prime (2890211).

It is not a de Polignac number, because 2890209 - 2¹ = 2890207 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

2890209 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2890207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (276920).

2^2890209 is an apocalyptic number.

It is an amenable number.

2890209 is a deficient number, since it is larger than the sum of its proper divisors (1540511).

2890209 is a wasteful number, since it uses less digits than its factorization.

2890209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2890209 is about 1700.0614694769. The cubic root of 2890209 is about 142.4436465384.

The spelling of 2890209 in words is "two million, eight hundred ninety thousand, two hundred nine".