99893249 has 2 divisors, whose sum is σ = 99893250. Its totient is φ = 99893248.

The previous prime is 99893161. The next prime is 99893251. The reversal of 99893249 is 94239899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53217025 + 46676224 = 7295^2 + 6832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99893249 is a prime.

It is a super-2 number, since 2×99893249² = 19957322391552002, which contains 22 as substring.

Together with 99893251, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99893249.

It is not a weakly prime, because it can be changed into another prime (99893149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49946624 + 49946625.

It is an arithmetic number, because the mean of its divisors is an integer number (49946625).

It is a Proth number, since it is equal to 6097 ⋅ 2¹⁴ + 1 and 6097 < 2¹⁴.

Almost surely, 2^99893249 is an apocalyptic number.

It is an amenable number.

99893249 is a deficient number, since it is larger than the sum of its proper divisors (1).

99893249 is an equidigital number, since it uses as much as digits as its factorization.

99893249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 53.

The square root of 99893249 is about 9994.6610247672. The cubic root of 99893249 is about 463.9936598049.

The spelling of 99893249 in words is "ninety-nine million, eight hundred ninety-three thousand, two hundred forty-nine".