994197371 has 2 divisors, whose sum is σ = 994197372. Its totient is φ = 994197370.

The previous prime is 994197307. The next prime is 994197403. The reversal of 994197371 is 173791499.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994197371 - 2⁶ = 994197307 is a prime.

It is not a weakly prime, because it can be changed into another prime (994197271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497098685 + 497098686.

It is an arithmetic number, because the mean of its divisors is an integer number (497098686).

Almost surely, 2^994197371 is an apocalyptic number.

994197371 is a deficient number, since it is larger than the sum of its proper divisors (1).

994197371 is an equidigital number, since it uses as much as digits as its factorization.

994197371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 50.

The square root of 994197371 is about 31530.8954994938. The cubic root of 994197371 is about 998.0620370591.

The spelling of 994197371 in words is "nine hundred ninety-four million, one hundred ninety-seven thousand, three hundred seventy-one".