2099147 has 2 divisors, whose sum is σ = 2099148. Its totient is φ = 2099146.

The previous prime is 2099129. The next prime is 2099179. The reversal of 2099147 is 7419902.

It is an a-pointer prime, because the next prime (2099179) can be obtained adding 2099147 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2099147 - 2¹⁶ = 2033611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2099197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049573 + 1049574.

It is an arithmetic number, because the mean of its divisors is an integer number (1049574).

2^2099147 is an apocalyptic number.

2099147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099147 is an equidigital number, since it uses as much as digits as its factorization.

2099147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2099147 is about 1448.8433317650. The cubic root of 2099147 is about 128.0405755153.

The spelling of 2099147 in words is "two million, ninety-nine thousand, one hundred forty-seven".