99348409 has 2 divisors, whose sum is σ = 99348410. Its totient is φ = 99348408.

The previous prime is 99348373. The next prime is 99348413. The reversal of 99348409 is 90484399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98565184 + 783225 = 9928^2 + 885^2 .

It is an emirp because it is prime and its reverse (90484399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99348409 - 2⁷ = 99348281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99348419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49674204 + 49674205.

It is an arithmetic number, because the mean of its divisors is an integer number (49674205).

Almost surely, 2^99348409 is an apocalyptic number.

It is an amenable number.

99348409 is a deficient number, since it is larger than the sum of its proper divisors (1).

99348409 is an equidigital number, since it uses as much as digits as its factorization.

99348409 is an evil number, because the sum of its binary digits is even.

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

The square root of 99348409 is about 9967.3672050346. The cubic root of 99348409 is about 463.1485465823.

The spelling of 99348409 in words is "ninety-nine million, three hundred forty-eight thousand, four hundred nine".