99426347 has 2 divisors, whose sum is σ = 99426348. Its totient is φ = 99426346.

The previous prime is 99426343. The next prime is 99426391. The reversal of 99426347 is 74362499.

It is an a-pointer prime, because the next prime (99426391) can be obtained adding 99426347 to its sum of digits (44).

It is a weak prime.

It is an emirp because it is prime and its reverse (74362499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99426347 - 2² = 99426343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99426298 and 99426307.

It is not a weakly prime, because it can be changed into another prime (99426343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49713173 + 49713174.

It is an arithmetic number, because the mean of its divisors is an integer number (49713174).

Almost surely, 2^99426347 is an apocalyptic number.

99426347 is a deficient number, since it is larger than the sum of its proper divisors (1).

99426347 is an equidigital number, since it uses as much as digits as its factorization.

99426347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 99426347 is about 9971.2760968694. The cubic root of 99426347 is about 463.2696269857.

The spelling of 99426347 in words is "ninety-nine million, four hundred twenty-six thousand, three hundred forty-seven".