99382147 has 2 divisors, whose sum is σ = 99382148. Its totient is φ = 99382146.

The previous prime is 99382139. The next prime is 99382163. The reversal of 99382147 is 74128399.

It is a weak prime.

It is an emirp because it is prime and its reverse (74128399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99382147 - 2³ = 99382139 is a prime.

It is a super-2 number, since 2×99382147² = 19753622284659218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99382447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49691073 + 49691074.

It is an arithmetic number, because the mean of its divisors is an integer number (49691074).

Almost surely, 2^99382147 is an apocalyptic number.

99382147 is a deficient number, since it is larger than the sum of its proper divisors (1).

99382147 is an equidigital number, since it uses as much as digits as its factorization.

99382147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 99382147 is about 9969.0594842242. The cubic root of 99382147 is about 463.2009679459.

The spelling of 99382147 in words is "ninety-nine million, three hundred eighty-two thousand, one hundred forty-seven".