89830229 has 2 divisors, whose sum is σ = 89830230. Its totient is φ = 89830228.

The previous prime is 89830217. The next prime is 89830231. The reversal of 89830229 is 92203898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86583025 + 3247204 = 9305^2 + 1802^2 .

It is a cyclic number.

It is not a de Polignac number, because 89830229 - 2¹² = 89826133 is a prime.

Together with 89830231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89830259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44915114 + 44915115.

It is an arithmetic number, because the mean of its divisors is an integer number (44915115).

Almost surely, 2^89830229 is an apocalyptic number.

It is an amenable number.

89830229 is a deficient number, since it is larger than the sum of its proper divisors (1).

89830229 is an equidigital number, since it uses as much as digits as its factorization.

89830229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 89830229 is about 9477.8810395573. The cubic root of 89830229 is about 447.8585148587.

The spelling of 89830229 in words is "eighty-nine million, eight hundred thirty thousand, two hundred twenty-nine".