99106247 has 2 divisors, whose sum is σ = 99106248. Its totient is φ = 99106246.

The previous prime is 99106219. The next prime is 99106303. The reversal of 99106247 is 74260199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99106247 - 2¹² = 99102151 is a prime.

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 99106247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99106207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49553123 + 49553124.

It is an arithmetic number, because the mean of its divisors is an integer number (49553124).

Almost surely, 2^99106247 is an apocalyptic number.

99106247 is a deficient number, since it is larger than the sum of its proper divisors (1).

99106247 is an equidigital number, since it uses as much as digits as its factorization.

99106247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 99106247 is about 9955.2120519856. The cubic root of 99106247 is about 462.7719318292.

The spelling of 99106247 in words is "ninety-nine million, one hundred six thousand, two hundred forty-seven".