99690299 has 2 divisors, whose sum is σ = 99690300. Its totient is φ = 99690298.

The previous prime is 99690293. The next prime is 99690307. The reversal of 99690299 is 99209699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99690299 - 2¹² = 99686203 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99690299.

It is not a weakly prime, because it can be changed into another prime (99690293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49845149 + 49845150.

It is an arithmetic number, because the mean of its divisors is an integer number (49845150).

Almost surely, 2^99690299 is an apocalyptic number.

99690299 is a deficient number, since it is larger than the sum of its proper divisors (1).

99690299 is an equidigital number, since it uses as much as digits as its factorization.

99690299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 708588, while the sum is 53.

The square root of 99690299 is about 9984.5029420598. The cubic root of 99690299 is about 463.6792196110.

The spelling of 99690299 in words is "ninety-nine million, six hundred ninety thousand, two hundred ninety-nine".