2289697 has 2 divisors, whose sum is σ = 2289698. Its totient is φ = 2289696.

The previous prime is 2289689. The next prime is 2289739. The reversal of 2289697 is 7969822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2099601 + 190096 = 1449^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289697 - 2³ = 2289689 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 8 + 9 + 6 + 9⁵ + 7⁴ .

2289697 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2289647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144848 + 1144849.

It is an arithmetic number, because the mean of its divisors is an integer number (1144849).

2^2289697 is an apocalyptic number.

It is an amenable number.

2289697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289697 is an equidigital number, since it uses as much as digits as its factorization.

2289697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 2289697 is about 1513.1744777123. The cubic root of 2289697 is about 131.8032153512.

The spelling of 2289697 in words is "two million, two hundred eighty-nine thousand, six hundred ninety-seven".