94108681 has 2 divisors, whose sum is σ = 94108682. Its totient is φ = 94108680.

The previous prime is 94108667. The next prime is 94108757. The reversal of 94108681 is 18680149.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72948681 + 21160000 = 8541^2 + 4600^2 .

It is an emirp because it is prime and its reverse (18680149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94108681 - 2²³ = 85720073 is a prime.

It is a super-2 number, since 2×94108681² = 17712887679119522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 94108681.

It is not a weakly prime, because it can be changed into another prime (94108621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47054340 + 47054341.

It is an arithmetic number, because the mean of its divisors is an integer number (47054341).

Almost surely, 2^94108681 is an apocalyptic number.

It is an amenable number.

94108681 is a deficient number, since it is larger than the sum of its proper divisors (1).

94108681 is an equidigital number, since it uses as much as digits as its factorization.

94108681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 94108681 is about 9700.9628903527. The cubic root of 94108681 is about 454.8587590427.

The spelling of 94108681 in words is "ninety-four million, one hundred eight thousand, six hundred eighty-one".