194375397 has 8 divisors (see below), whose sum is σ = 259770240. Its totient is φ = 129282080.

The previous prime is 194375359. The next prime is 194375407. The reversal of 194375397 is 793573491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194375397 - 2¹¹ = 194373349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194375347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73872 + ... + 76457.

It is an arithmetic number, because the mean of its divisors is an integer number (32471280).

Almost surely, 2^194375397 is an apocalyptic number.

It is an amenable number.

194375397 is a deficient number, since it is larger than the sum of its proper divisors (65394843).

194375397 is a wasteful number, since it uses less digits than its factorization.

194375397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150763.

The product of its digits is 714420, while the sum is 48.

The square root of 194375397 is about 13941.8577313068. The cubic root of 194375397 is about 579.2691915273.

The spelling of 194375397 in words is "one hundred ninety-four million, three hundred seventy-five thousand, three hundred ninety-seven".