194601947 has 4 divisors (see below), whose sum is σ = 194837520. Its totient is φ = 194366376.

The previous prime is 194601943. The next prime is 194601959. The reversal of 194601947 is 749106491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749106491 = 7 ⋅107015213.

It is a cyclic number.

It is not a de Polignac number, because 194601947 - 2² = 194601943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194601943) 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 in 3 ways as a sum of consecutive naturals, for example, 116543 + ... + 118200.

It is an arithmetic number, because the mean of its divisors is an integer number (48709380).

Almost surely, 2^194601947 is an apocalyptic number.

194601947 is a deficient number, since it is larger than the sum of its proper divisors (235573).

194601947 is an equidigital number, since it uses as much as digits as its factorization.

194601947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235572.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 194601947 is about 13949.9801791974. The cubic root of 194601947 is about 579.4941556687.

The spelling of 194601947 in words is "one hundred ninety-four million, six hundred one thousand, nine hundred forty-seven".