94394857 has 2 divisors, whose sum is σ = 94394858. Its totient is φ = 94394856.

The previous prime is 94394849. The next prime is 94394899. The reversal of 94394857 is 75849349.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80712256 + 13682601 = 8984^2 + 3699^2 .

It is a cyclic number.

It is not a de Polignac number, because 94394857 - 2³ = 94394849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94394857.

It is not a weakly prime, because it can be changed into another prime (94394827) 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, 47197428 + 47197429.

It is an arithmetic number, because the mean of its divisors is an integer number (47197429).

Almost surely, 2^94394857 is an apocalyptic number.

It is an amenable number.

94394857 is a deficient number, since it is larger than the sum of its proper divisors (1).

94394857 is an equidigital number, since it uses as much as digits as its factorization.

94394857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 49.

The square root of 94394857 is about 9715.7015701389. The cubic root of 94394857 is about 455.3193539512.

The spelling of 94394857 in words is "ninety-four million, three hundred ninety-four thousand, eight hundred fifty-seven".