947394199 has 2 divisors, whose sum is σ = 947394200. Its totient is φ = 947394198.

The previous prime is 947394167. The next prime is 947394209. The reversal of 947394199 is 991493749.

947394199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947394199 - 2⁵ = 947394167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (947394499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473697099 + 473697100.

It is an arithmetic number, because the mean of its divisors is an integer number (473697100).

Almost surely, 2^947394199 is an apocalyptic number.

947394199 is a deficient number, since it is larger than the sum of its proper divisors (1).

947394199 is an equidigital number, since it uses as much as digits as its factorization.

947394199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 947394199 is about 30779.7693136255. The cubic root of 947394199 is about 982.1479331725.

The spelling of 947394199 in words is "nine hundred forty-seven million, three hundred ninety-four thousand, one hundred ninety-nine".