99986347 has 2 divisors, whose sum is σ = 99986348. Its totient is φ = 99986346.

The previous prime is 99986329. The next prime is 99986351. The reversal of 99986347 is 74368999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99986347 is a prime.

It is a super-3 number, since 3×99986347³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99986647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49993173 + 49993174.

It is an arithmetic number, because the mean of its divisors is an integer number (49993174).

Almost surely, 2^99986347 is an apocalyptic number.

99986347 is a deficient number, since it is larger than the sum of its proper divisors (1).

99986347 is an equidigital number, since it uses as much as digits as its factorization.

99986347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 99986347 is about 9999.3173266979. The cubic root of 99986347 is about 464.1377585291.

The spelling of 99986347 in words is "ninety-nine million, nine hundred eighty-six thousand, three hundred forty-seven".