194097963 has 4 divisors (see below), whose sum is σ = 258797288. Its totient is φ = 129398640.

The previous prime is 194097949. The next prime is 194097983. The reversal of 194097963 is 369790491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 194097963 - 2⁴ = 194097947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194097983) 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, 32349658 + ... + 32349663.

It is an arithmetic number, because the mean of its divisors is an integer number (64699322).

Almost surely, 2^194097963 is an apocalyptic number.

194097963 is a deficient number, since it is larger than the sum of its proper divisors (64699325).

194097963 is an equidigital number, since it uses as much as digits as its factorization.

194097963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64699324.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 194097963 is about 13931.9045001034. The cubic root of 194097963 is about 578.9934613465.

It can be divided in two parts, 19409 and 7963, that added together give a palindrome (27372).

The spelling of 194097963 in words is "one hundred ninety-four million, ninety-seven thousand, nine hundred sixty-three".