994802173 has 2 divisors, whose sum is σ = 994802174. Its totient is φ = 994802172.

The previous prime is 994802153. The next prime is 994802191. The reversal of 994802173 is 371208499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544428889 + 450373284 = 23333^2 + 21222^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994802173 is a prime.

It is equal to p_50596576 and since 994802173 and 50596576 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994802143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497401086 + 497401087.

It is an arithmetic number, because the mean of its divisors is an integer number (497401087).

Almost surely, 2^994802173 is an apocalyptic number.

It is an amenable number.

994802173 is a deficient number, since it is larger than the sum of its proper divisors (1).

994802173 is an equidigital number, since it uses as much as digits as its factorization.

994802173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 994802173 is about 31540.4846665361. The cubic root of 994802173 is about 998.2643803673.

The spelling of 994802173 in words is "nine hundred ninety-four million, eight hundred two thousand, one hundred seventy-three".