194900285 has 8 divisors (see below), whose sum is σ = 234265560. Its totient is φ = 155663424.

The previous prime is 194900269. The next prime is 194900287. The reversal of 194900285 is 582009491.

It can be written as a sum of positive squares in 4 ways, for example, as 9205156 + 185695129 = 3034^2 + 13627^2 .

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 194900285 - 2⁴ = 194900269 is a prime.

It is a super-2 number, since 2×194900285² = 75972242186162450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194900287) 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, 28730 + ... + 34859.

It is an arithmetic number, because the mean of its divisors is an integer number (29283195).

Almost surely, 2^194900285 is an apocalyptic number.

It is an amenable number.

194900285 is a deficient number, since it is larger than the sum of its proper divisors (39365275).

194900285 is an equidigital number, since it uses as much as digits as its factorization.

194900285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64207.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 194900285 is about 13960.6692174838. The cubic root of 194900285 is about 579.7901390972.

The spelling of 194900285 in words is "one hundred ninety-four million, nine hundred thousand, two hundred eighty-five".