2089569 has 4 divisors (see below), whose sum is σ = 2786096. Its totient is φ = 1393044.

The previous prime is 2089567. The next prime is 2089583. The reversal of 2089569 is 9659802.

It is a happy number.

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.

It is not a de Polignac number, because 2089569 - 2¹ = 2089567 is a prime.

It is a super-2 number, since 2×2089569² = 8732597211522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2089567) 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, 348259 + ... + 348264.

It is an arithmetic number, because the mean of its divisors is an integer number (696524).

2^2089569 is an apocalyptic number.

It is an amenable number.

2089569 is a deficient number, since it is larger than the sum of its proper divisors (696527).

2089569 is an equidigital number, since it uses as much as digits as its factorization.

2089569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696526.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2089569 is about 1445.5341573273. The cubic root of 2089569 is about 127.8455371484.

The spelling of 2089569 in words is "two million, eighty-nine thousand, five hundred sixty-nine".