94289813 has 2 divisors, whose sum is σ = 94289814. Its totient is φ = 94289812.

The previous prime is 94289779. The next prime is 94289827. The reversal of 94289813 is 31898249.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87198244 + 7091569 = 9338^2 + 2663^2 .

It is an emirp because it is prime and its reverse (31898249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94289813 - 2⁸ = 94289557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94289113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47144906 + 47144907.

It is an arithmetic number, because the mean of its divisors is an integer number (47144907).

Almost surely, 2^94289813 is an apocalyptic number.

It is an amenable number.

94289813 is a deficient number, since it is larger than the sum of its proper divisors (1).

94289813 is an equidigital number, since it uses as much as digits as its factorization.

94289813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 44.

The square root of 94289813 is about 9710.2941768002. The cubic root of 94289813 is about 455.1503958810.

The spelling of 94289813 in words is "ninety-four million, two hundred eighty-nine thousand, eight hundred thirteen".