94420093 has 2 divisors, whose sum is σ = 94420094. Its totient is φ = 94420092.

The previous prime is 94420061. The next prime is 94420097. The reversal of 94420093 is 39002449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94420089 + 4 = 9717^2 + 2^2 .

It is an emirp because it is prime and its reverse (39002449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94420093 - 2⁵ = 94420061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94420097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47210046 + 47210047.

It is an arithmetic number, because the mean of its divisors is an integer number (47210047).

Almost surely, 2^94420093 is an apocalyptic number.

It is an amenable number.

94420093 is a deficient number, since it is larger than the sum of its proper divisors (1).

94420093 is an equidigital number, since it uses as much as digits as its factorization.

94420093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 94420093 is about 9717.0002058248. Note that the first 3 decimals coincide. The cubic root of 94420093 is about 455.3599261312.

The spelling of 94420093 in words is "ninety-four million, four hundred twenty thousand, ninety-three".