99232489 has 2 divisors, whose sum is σ = 99232490. Its totient is φ = 99232488.

The previous prime is 99232487. The next prime is 99232493. The reversal of 99232489 is 98423299.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58782889 + 40449600 = 7667^2 + 6360^2 .

It is a cyclic number.

It is not a de Polignac number, because 99232489 - 2¹ = 99232487 is a prime.

Together with 99232487, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99232481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49616244 + 49616245.

It is an arithmetic number, because the mean of its divisors is an integer number (49616245).

Almost surely, 2^99232489 is an apocalyptic number.

It is an amenable number.

99232489 is a deficient number, since it is larger than the sum of its proper divisors (1).

99232489 is an equidigital number, since it uses as much as digits as its factorization.

99232489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 46.

The square root of 99232489 is about 9961.5505319202. The cubic root of 99232489 is about 462.9683421389.

The spelling of 99232489 in words is "ninety-nine million, two hundred thirty-two thousand, four hundred eighty-nine".