109994393 has 2 divisors, whose sum is σ = 109994394. Its totient is φ = 109994392.

The previous prime is 109994389. The next prime is 109994413. The reversal of 109994393 is 393499901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86062729 + 23931664 = 9277^2 + 4892^2 .

It is a cyclic number.

It is not a de Polignac number, because 109994393 - 2² = 109994389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (109994693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54997196 + 54997197.

It is an arithmetic number, because the mean of its divisors is an integer number (54997197).

Almost surely, 2^109994393 is an apocalyptic number.

It is an amenable number.

109994393 is a deficient number, since it is larger than the sum of its proper divisors (1).

109994393 is an equidigital number, since it uses as much as digits as its factorization.

109994393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 47.

The square root of 109994393 is about 10487.8211750582. The cubic root of 109994393 is about 479.1338445100.

The spelling of 109994393 in words is "one hundred nine million, nine hundred ninety-four thousand, three hundred ninety-three".