2890109 has 4 divisors (see below), whose sum is σ = 3042240. Its totient is φ = 2737980.

The previous prime is 2890103. The next prime is 2890117. The reversal of 2890109 is 9010982.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9010982 = 2 ⋅4505491.

It is a cyclic number.

It is not a de Polignac number, because 2890109 - 2⁴ = 2890093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76037 + ... + 76074.

It is an arithmetic number, because the mean of its divisors is an integer number (760560).

2^2890109 is an apocalyptic number.

It is an amenable number.

2890109 is a deficient number, since it is larger than the sum of its proper divisors (152131).

2890109 is a wasteful number, since it uses less digits than its factorization.

2890109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152130.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2890109 is about 1700.0320585213. The cubic root of 2890109 is about 142.4420036896.

The spelling of 2890109 in words is "two million, eight hundred ninety thousand, one hundred nine".