194448967 has 4 divisors (see below), whose sum is σ = 198971080. Its totient is φ = 189926856.

The previous prime is 194448913. The next prime is 194448971. The reversal of 194448967 is 769844491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769844491 = 13 ⋅59218807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194448967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194448977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260992 + ... + 2261077.

It is an arithmetic number, because the mean of its divisors is an integer number (49742770).

Almost surely, 2^194448967 is an apocalyptic number.

194448967 is a deficient number, since it is larger than the sum of its proper divisors (4522113).

194448967 is an equidigital number, since it uses as much as digits as its factorization.

194448967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522112.

The product of its digits is 1741824, while the sum is 52.

The square root of 194448967 is about 13944.4959392586. The cubic root of 194448967 is about 579.3422656911.

The spelling of 194448967 in words is "one hundred ninety-four million, four hundred forty-eight thousand, nine hundred sixty-seven".