194720461 has 8 divisors (see below), whose sum is σ = 218816640. Its totient is φ = 171926832.

The previous prime is 194720453. The next prime is 194720503. The reversal of 194720461 is 164027491.

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 194720461 - 2³ = 194720453 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 (194720441) 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, 325321 + ... + 325918.

It is an arithmetic number, because the mean of its divisors is an integer number (27352080).

Almost surely, 2^194720461 is an apocalyptic number.

It is an amenable number.

194720461 is a deficient number, since it is larger than the sum of its proper divisors (24096179).

194720461 is a wasteful number, since it uses less digits than its factorization.

194720461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651275.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 194720461 is about 13954.2273523116. The cubic root of 194720461 is about 579.6117705133.

The spelling of 194720461 in words is "one hundred ninety-four million, seven hundred twenty thousand, four hundred sixty-one".