2289829 has 2 divisors, whose sum is σ = 2289830. Its totient is φ = 2289828.

The previous prime is 2289817. The next prime is 2289839. The reversal of 2289829 is 9289822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 813604 = 1215^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289829 - 2¹⁹ = 1765541 is a prime.

2289829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2289791 and 2289800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2289839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144914 + 1144915.

It is an arithmetic number, because the mean of its divisors is an integer number (1144915).

2^2289829 is an apocalyptic number.

It is an amenable number.

2289829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289829 is an equidigital number, since it uses as much as digits as its factorization.

2289829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 2289829 is about 1513.2180939970. The cubic root of 2289829 is about 131.8057481012.

The spelling of 2289829 in words is "two million, two hundred eighty-nine thousand, eight hundred twenty-nine".