194073983 has 2 divisors, whose sum is σ = 194073984. Its totient is φ = 194073982.

The previous prime is 194073973. The next prime is 194074019. The reversal of 194073983 is 389370491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194073983 - 2⁴ = 194073967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194073973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97036991 + 97036992.

It is an arithmetic number, because the mean of its divisors is an integer number (97036992).

Almost surely, 2^194073983 is an apocalyptic number.

194073983 is a deficient number, since it is larger than the sum of its proper divisors (1).

194073983 is an equidigital number, since it uses as much as digits as its factorization.

194073983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 194073983 is about 13931.0438589504. The cubic root of 194073983 is about 578.9696162825.

The spelling of 194073983 in words is "one hundred ninety-four million, seventy-three thousand, nine hundred eighty-three".